Basic Math question and answers for October 02, 2023
- Q any state auto insurance company took a random sampleof 360 insurance claims paid out during a one year. The averageclaim paid was $1,575 assume the name equals $238 find a...
- Q Thirty-two small communities in Connecticut (population near10,000 each) gave an average of x = 138.5 reported cases of larcenyper year. Assume that ? is known to be 41.3 cases per...
- Q What price do farmers get for their watermelon crops? In thethird week of July, a random sample of 41 farming regions gave asample mean of x = $6.88 per 100...
- Q **Must be a clear and logical response in 150 to 200 words tothe following questions/prompts, providing specific examples tosupport your answers. Type answers.**Which of the statistical techniques have the most...
- Q An auto insurance company concludes that 30% of policyholderswith only collision coverage will have a claim next year, 40% ofpolicyholders with only comprehensive coverage will have a claimnext year and...
- Q All airplane passengers at the Lake City Regional Airport mustpass through a security screening area before proceeding to theboarding area. The airport has two screening stations available,and the facility manager...
- Q (St Petersburg Paradox). Suppose you have the opportunity toplay the following game. You flip a fair coin, and if it comes upheads on the first flip, then you win $1....
- Q ***PLEASE SHOW HOW TO SOLVE IN EXCEL*** NOT HANDWRITTEN6) The time needed to complete a final examination in aparticular college course is normally distributed with a mean of 90minutes and...
- Q 4. In a sentence or two, explain why our Biometry class islearning the “Wilson-adjusted” method of estimating proportions(??), rather than simply using the sample proportion, ??.
- Q A company manager believes that a person’s ability to be aleader is directly correlated to their zodiac sign. He neverselects someone to chair a committee without first evaluating theirzodiac sign....
- Q An elementary school started a special reading enrichmentprogram for seventh-graders that has been underway for eightmonths. One of the investigators wants to confirm the program ishaving its intended effect, and...
- Q Assume that the age at onset of a certain disease is distributednormally with a mean of 43 years and a variance of 177.69years.a) What is the probability that an individualafflicted...
- Q uConstruct confidence intervals for the population mean of 80%,90%, 95%, 99% using the following data and a population standarddeviation of 900:un = 100u?x ? = 425
- Q Consider a baseball world series (best of 7 game series) inwhich team A theoretically has a 0.55 chance of winning each gameagainst team B. Simulate the probability that team A...
- Q Helen Keplinger must choose the amount of two wine types shewill produce. Each liter of Red wine returns $7 profit, while eachliter of White wine returns $2 profit. The labor...
- Q A)Assume that x has a normal distribution with the specifiedmean and standard deviation. Find the indicated probability.mean=101; standard deviation= 11P(x > or = 120) = ?B)mean=2.6; standard deviation= 0.38P(x >...
- Q The following data are from a completely randomized design.TreatmentABC163142126142158121168129138145142143147133153189148123Sample mean159142134Sample variance325.2108.4162.4Compute the sum of squares between treatments. Round theintermediate calculations to whole number. Compute the mean square between treatments. Compute the sum...
- Q It might be predicted that consumer buying behavior would varywith the location of products in a store. Therefore, a team ofmarket researchers looked at the sales per day for a...
- Q what is the difference between mutually exclusive, independentand conditional probabilities?
- Q A magazine subscriber study asked, "In the past 12 months, whentraveling for business, what type of airline ticket did youpurchase most often?" A second question asked if the type ofairline...
- Q Consider that you toss a fair 6-sided die containing the numbers1-2-3-4-5-6 and also toss a fair 4-sided die containing the numbers1-2-3-4. Find the probability distribution for the sum of thevalues...
- Q Bob reported that the patients suffering from the “Mad ManDisease” who used his “magic dust” elixir properly resulted in anodds-ratio = .6 relative to controls who did not use his...
- Q Consider an automated plagiarism detection software that is usedto evaluate essay submissions. Four sections of a writing courseuse the software to check for plagarism, with 30% of the studentsin section...
- Q James Madison, president of Madison Manufacturing, inc,. isconsidering whether to build more manufacturing plants in MadisonWisconsin. He is considering three sizes of plant: Small, Medium,or Large. At the same time,...
- Q 1.Time taken for oil changeIt is known that the amount of time needed to change the oil ona car is normally distributed with a standard deviation of 5minutes. The manager...
- Q postyour understanding of SI and how this approach differs from basicanalytical methods. Explain how it can help you with your decisionmaking at your current job or at a job of...
- Q 6. A lawyer commutes daily from his suburban home to his midtowno?ce. The average time for a one-way trip is 24 minutes, with astandard deviation of 3.8 minutes. Assume the...
- Q Let x represent the dollar amount spent on supermarketimpulse buying in a 10-minute (unplanned) shopping interval. Basedon a certain article, the mean of the x distribution isabout $32 and the...
- Q 1. Listed below are the budgets? (in millions of? dollars) andthe gross receipts? (in millions of? dollars) for randomly selectedmovies. .Budget? (x)648747311999985Gross? (y)6760495663014347Find the value of the linear correlation coefficient...
- Q 2)The letters of the word EXCELLENT are arranged in a randomorder. Find the probability that:a. the same letter occurs at each end.b. X,C, and N occur together, in any order.c....
- Q The state of California has a mean annual rainfall of 27.6inches, whereas the state of New York has a mean annual rainfall of44.5 inches. Assume the standard deviation for California...
- Q Assuming that the sample is representative of the population ofall visitors to the website, is there evidence in the data at the0.10 level of significance to conclude that the proportion...
- Q Problem:A university administrator is interested in whether a newbuilding can be planned and built on campus within a four-year timeframe. He considers the process in two phases. Phase I: Phase...
- Q The lifetime of an electronic component has a Weibulldistribution with parameters ??=0.60 and ??=2. Compute theprobability the component fails before the expiration of a 4 yearwarranty.The maximum flood? levels, in...
- Q The pages per book in a library are normally distributed with anunknown population mean and standard deviation. A random sample of41 books is taken and results in a sample mean...
- Q A candy company claims that in a large bag? (over 1,000? pieces)of Halloween candy half the candies are orange and half the candiesare black. You pick candies at random from...
- Q A box contains six 25-watt light bulbs, nine 60-watt lightbulbs, and five 100-watt light bulbs. What is the probability arandomly selected a 60 watt light bulb? (PLease explain how did...
- Q ONE SAMPLE T-TESTAssignment 1: Change in Mood Following a Romantic Movie ClipA researcher asks participants to watch a short romantic movieclip. The movie clip depicts a romantic scene ending with...
- Q A friend of mine is giving a dinner party. His current winesupply includes 12 bottles of zinfandel, 8 of merlot, and 10 ofcabernet (he only drinks red wine), all from...
- Q The table below lists a random sample of 50 speeding tickets onI-25 in Colorado.0-10 mph over limit10-20 mph over limitMore than 20 mph over limitTotalMale991735Female29415Total11182150Round to the fourth.a) If a...
- Q In an essay (250-500 words), use the scenario presented aboveto thoroughly answer the following questions:What statistical test did the researchers use to determine ifthere was a statistically significant difference in...
- Q 1. A clinician claims that, on average, the blood pressure ofhypertensive patients is 150. A particular doctor believes theamount is more than 150. Then he selected a random sample of...
- Q Please do in ExcelA bank with a branch located in a commercial district of a cityhas the business objective of improving the process for servingcustomers during the noon-to-1 p.m. lunch...
- Q The Reviews editor for a certain scientific journal decideswhether the review for any particular book should be short (1–2pages), medium (3–4 pages), or long (5–6 pages). Data on recentreviews indicates...
- Q What are the two hypotheses of the F test?In order for the F test to be significant, do you need ahigh or a low value of R2?Why? How are the...
- Q Police plan to enforce speed limits by using radar traps atfour different locations within the city limits. A person who isspeeding on his/her way to work has probabilities of 0.2,...
- Q Use the following information for Questions 1-3: At Regan'sTomato Heaven Farm, the yield per acre, measured in bushels oftomatoes, is known to follow a Normal Distribution with variance ?2= 225.1....
- Q Suppose that the distribution of typing speed in words perminute (wpm) for experienced typists using a new type of splitkeyboard can be approximated by a normal curve with mean 68...
- Q Consider the following table summarizing the speed limit of acertain road and the number of accidents occurring on that road inJanuary. Posted Speed Limit 52 50 43 36 21 22....
- Q The table below gives the age and bone density for five randomlyselected women. Using this data, consider the equation of theregression line, yˆ=b0+b1x', for predicting a woman's bone densitybased on...
- Q Make a Frequency Distribution Chart for the following set ofData 50, 10, 25, 20, 20, 20, 50,100, 30, 15
- Q Choose whether the following statements are true or false.The null and alternative hypotheses should be written in termsof the sample statistic. TrueFalseThe test statistic is computed assuming that the null...
- Q 6) There are 5 boxes. In each box there are 5 tickets labelledwith the numbers 1,2,3,4,5. An experiment is to draw one number atrandom from each of the ?ve boxes....
- Q Use the Student's t distribution to findtc for a 0.95 confidence level whenthe sample is 21. (Round your answer to three decimal places.)
- Q 1. The average ACT score for a class of 33 is 21.65, withs=2.83Covert each of the following to z score:1. X=192. X=25 and3. X=332. The average ACT score for a...
- Q World Measurement is the global leader in product testing forsafety. The recent problem with Chinese-made toy products (forexample, Mattel recalled 19 million toys with evidence of leadpaint) combined with the...
- Q A national grocer’s magazine reports the typical shopper spends10 minutes in line waiting to check out. A sample of 20 shoppers atthe local Farmer Jack’s showed a mean of 9.6...
- Q Anystate Auto Insurance Company took a random sample of 360insurance claims paid out during a 1-year period. The average claimpaid was $1535. Assume ? = $252. Find a 0.90 confidence...
- Q Two 6-sided dice are rolled. Let X be the larger of the twonumbers showing. For each i from 1 to 6, find the probability thatX = i.
- Q 1. Liv attends “Happy Days” preschool. The preschool ranassessments on the children’s motor skills (such as ability to tiea shoe), social skills (such as sharing and saying “please” and“thank you”),...
- Q ****NEED TO KNOW HOW PROBLEM IS SET UP IN EXCEL***During the period of time that a local university takesphone-in registrations, calls come in at the rate of one every twominutes.Clearly...
- Q Problem 4-11 (Algorithmic)Edwards Manufacturing Company purchases two component parts fromthree different suppliers. The suppliers have limited capacity, andno one supplier can meet all the company’s needs. In addition, thesuppliers charge...
- Q b.The lead engineer on the design team has requested that youmatch the reliability of the parallel system with a series system.All three of the valves in series will have the...
- Q You also have been asked to determine at both the 2% and 5%levels of significance whether the proportion of supporters of thecandidate that describes itself as generally loyal to the...
- Q african americans plantiff in suit against cocacola argued thatblacks who reach managerial position are often place in nongenerating areas. why is that?
- Q Hypotheses can be written as questions, statements andequality/inequalities. To be truly proficient, you must be able tointerpret a hypothesis, regardless of how it is expressed.Hypothesis:Explain in words.Directional or Non-directional?Null or...
- Q A professor has learned that eight students in her class of 31will cheat on the exam. She decides to focus her attention on tenrandomly chosen students during the exam.a. What...
- Q A process is in statistical control with andThe control chart uses a sample size of n = 3.Specifications are at 42 ± 4. The quality characteristicis normally distributed.What conditions should we...
- Q 14.Waiting times? (in minutes) of customers at a bank where allcustomers enter a single waiting line and a bank where customerswait in individual lines at three different teller windows arelisted...
- Q Suppose a sample of 49 paired differences that have beenrandomly selected from a normally distributed population of paireddifferences yields a sample mean of d??=5.0d¯=5.0 and a samplestandard deviation of sd...
- Q A study of 248 advertising firms revealed their income aftertaxes:Income after TaxesNumber of FirmsUnder $1 million132$1 million to $20 million63$20 million or more53What is the probability an advertising firm selected...
- Q PLS ONLY ANSWER IN PSYCHOLOGICAL STATISTICS FORM. QUESTION ISMARKED OUT OF 6. Explain why depression is a hypothetical constructinstead of a concrete variable. Describe how depression might bemeasured and defined...
- Q The mean time required to complete a certain type ofconstruction project is 52 weeks with a standard deviation of 3weeks. Answer questions 4–7 using the preceding information andmodeling this situation...
- Q Hello! I was asked to use spss to find the percentage of peoplethat are over 51 years old in a variable of people of differentages. Can someone tell me how...
- Q Suppose a candy company representative claims that coloredcandies are mixed such that each large production batch hasprecisely the following proportions: 10% brown, 10% yellow, 30%red, 20% orange, 10% green, and...
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