Statistics question and answers for September 25, 2023
- Q A multiple-choice examination consists of 75 questions, each having possible choices a, b, c, d, and e. Approximate the probability that a student will get atmost 16 answers correct if...
- Q A jar has 2 red marbles 2 blue marbles. Two marbles are chosen from the jar without replacement.a) The probability that the marbles are the same color is b) The...
- Q Given a standard normal distribution, what is the value of P(Z < 1.32 or z > 2.51)=0.90660.91260.0874
- Q When a card is drawn from a deck, find the probability of getting the following.(a) a King or black(b) a card less than 6 or is a Heart.
- Q At a used car lot, 8 different car models are to be parked close to the street for easy viewing, but there is only space for 6 cars. The employees...
- Q A researcher believes that about 72% of the seeds planted with the aid of a new chemical fertilizer will germinate. He chooses a random sample of 110 seedsand plants them...
- Q A box contains 5 red marble(s), 2 blue marble(s), and 1 white marble(s). The marbles are selected at random, one at a time, and not replaced. Find P(white, then blue)...
- Q The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 83 pounds. A random sample of 80 newly manufactured cables has a mean breaking strength...
- Q Use the table provided: An Ivy Tech Campus completed a study tracking the semester that students will finish their degree and whether they intend to participate in the graduation ceremony....
- Q Consider the chart below of living arrangements. Apartment Condo House ...
- Q Suppose that 42% of the population of U.S. voters favors a particular presidential candidate. If a random sample of 75 voters is chosen, approximate the probability that at least 32...
- Q Each number from 1 to 15 is written on a ball, then put in a bag. The balls are selected randomly and then replaced.Find P(even, then odd) as a decimal/fraction...
- Q A standardized test has four forms - A, B, C, and D. Each form comes in three colors - red, blue, purple, yellow, and green.a) How many different tests are...
- Q While studying to be a vet, Brad learns that different animals have different heart rates. This table shows the resting heart rate of a small dog: ...
- Q Use the ALEKS calculator to solve the following problems.(a) Consider a t distribution with 10 degrees of freedom. Compute P(-1.55 <t<1.55). Round your answer to at leastthree decimal places.P(-1.55 <t<...
- Q In a school, 30% of the students have brown eyes. Findthe experimental probability that in a group of 4 students,at least one of them has brown eyes. The problem has...
- Q The following data gives annual salaries (in thousands) of randomly chosen employees with college degrees. Some of these employees have only Bachelors' degrees and some have Masters'/PhDs. At ? =0.05,...
- Q Each person has a 75% probability of going to the Tahoe restaurant. You randomly select 8 people. (a) What is the probability that 4 people will go to the restaurant?(b)...
- Q 100 adults and 100 teenagers were polled and asked if they liked the food choices found in the local food court at the mall. 21 of the adults liked the...
- Q The median house value in Ocoee FL is $152,221. What type of data is this?
- Q The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill...
- Q You are measuring the length of squirrels from different sides of the Grand Canyon, to see if they are different species. Which of the following techniques should you use?(a)Two sample...
- Q If four out of four test subjects successfully complete a task, which of the following is the correct way to report your results?With 95% confidence, [0.454, 1.056 ]percent of people...
- Q Jeremy will roll a number cube numbered 1-6 twice. What is the probability of rolling an even number, then the number 3?
- Q The cafeteria staff made sandwiches. Each sandwich had either rye or wheat bread, either ham or turkey, and either cheese or no cheese. The staff made an equal number of...
- Q The vanilly mandelic acid test is a urine test which was developed to detect the presence of neuroblastoma, a rare serious disease. This test gives a positive result in 70%...
- Q In a busy coffee shop, which is a member of an international chain of coffee shops, 40% of customers order a pastry in addition to their drink. If 20 customers...
- Q in the California Community Colleges an undergraduate student survey was taken that compares the class of the student to their opinion on whether or not they favor or oppose same...
- Q A spinner is divided into blue, yellow, and red parts. Gianna spun this spinner 400 times and listed her results in the table below. Select all of the estimated probabilities...
- Q A number increased by 16% is 145. What was the original number?
- Q Compute the amount of interest earned in the following simple interest problem. A deposit of $4,500 at 5% for 3 years:$67.50$6.75$675.00$6,750.00
- Q For a multicriteria problem in which there are two alternatives and three criteria, raw scores and criterion weights are given in the following table. Find the alternative that should be...
- Q Miranda completed a random survey of 400 of the 3,256 students in her school. Now she wants to select part of this group of 400 to make estimates about the...
- Q Which of the following is the most reasonable inference as to why age is a variable in many gender-wage studies?Younger women are less likely to be discriminated against by employers...
- Q Over the past several years, a city's population has been increasing at a rate of 13% per year. If the city's current population is 18,391 people, then what was the...
- Q The table below shows all of the outcomes to Jaime's experiment where he rolled a number cube and flipped a coin 370 times. According to Jaime's table, what is the...
- Q Huan has a fair 10-sided die that is numbered 1-2-3-4-5-6-7-8-9-10.What is the probability of each of the following events? Enter the probabilities as decimals.a)Probability of rolling the number 2 =...
- Q Tim pays $2,000 annually for $150,000 worth of life insurance. At the end of 10 years, what will the cash value of his policy be?Cash Value Of The Insurance PolicyPolicy...
- Q You want to know which new show on television is the most popular with the students at your school. Which of the ways described will lead to a biased survey?...
- Q The tables below contain data on the number of infected people there are after each hour when a dangerous bacteria infects a small village. Combine the tables, then create an...
- Q In 1940, there were 1,211,684 males born and 1,148,715 females born. What is the ratio of males to females?1.05562,9690.9481.505
- Q The probability of contamination in batch 1 of a drug (event A) is 0.16, and the probability of contamination in batch 2 of the drug (event B) is 0.09. The...
- Q Select the correct answer. Positive Test Negative TestSubject is pregnant. ...
- Q When an individual makes minimum payments on a credit card instead of paying as much as possible,A) the time it takes to pay off the credit card increases and the...
- Q Which situation is an example of confirmation bias?A. A coach recruits a player he believes is excellent at stealing bases because he is on a high school track team. The...
- Q A chip is placed at point 0 on a number line. What is the approximate probability of seven movements to the right in a random walk, given ten total movements...
- Q Deshawn needs a total of $280 to buy a new bicycle. He has $40 saved. He earns $15 each week delivering newspapers. How many weeks will Deshawn have to deliver...
- Q A gymnast is standing at point 0. She does a front tuck one movement forward each time the number one through four on a number cube is rolled and a...
- Q In a study on the fertility of married women conducted by Martin O'Connell and Carolyn C. Rogers for the Census Bureau in 1979, two groups of childless wives aged 25...
- Q The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical trial, results could be analyzed with a formal hypothesis test...
- Q There are eighteen students in a club. Four students are randomly chosen to sit on the float the club is entering in a parade. How many ways can you choose...
- Q Start at point 0 on a number line. What is the probability of four movements to the right in a random walk, given eight total movements and the probability of...
- Q Eight acts applied for a talent contest. The acts are designated by unique letters: A, B, C, D, E, F, G, H. Five were randomly chosen to compete. What is...
- Q A basketball player made two out of five 3-point shots in the last game. What probability can a coach assume the player will make a 3-point shot in the next...
- Q A baseball player struck out eight of the player's last eleven times at bat. What is the probability that the player will strike out again the next time the player...
- Q Which formula can be used to find the probability of one forward step in a random walk, beginning at location O, given two total steps and the probability of a...
- Q The set A represents the students taking biology. The set B represents the students taking math. There are 20 total students in the shaded area. If 7 students are in...
- Q A company wants to give a bonus to its sales staff based on the total sales. The amount and probability of employee's sales amounts is given in the table below....
- Q There are five sophomores, nine juniors, and seven seniors in a group. If you select one student at random, what is the probability of not picking a junior or a...
- Q A and B are two mutually exclusive events. Suppose the probability of A is 0.35. Suppose P(A?B) = 0.45. What is the probability of B?a) 0.10b) 0.80c) 0.40d) 0.35
- Q The probability that a certain baseball player will hit a home run in a baseball game is 0.21. What is the probability that a player will hit a home run...
- Q A group of students was asked what music genres they enjoyed. The responses are displayed in the table below. What is the probability that a student likes jazz or folk...
- Q Events A, B, and Care independent. If the probability of A is 0.4, the probability of B is 0.3, and the probability of C is 0.6, what is the probability...
- Q You buy a pair of Apple AirPods Pro on sale for $174.30 which is a discount of 30% off the original price. Write an equation that relates the sale price...
- Q The average life of an electric rice cooker is 5 years, with a standard deviation of 1 year. Assume the lives of these cookers follow a normal distribution. Find(a) The...
- Q There are four red, five blue, and eight green balls in a bag. The balls are identical except for color. If three balls are randomly selected, what is the probability...
- Q The sample space S = {a, d, e, g}. Find the probability of the complement of (a, e, g}.a) 0.25b)0.50b)0.75c)0.33
- Q A random number generator selects numbers from ten to fifty. The results are in the table below.Numbers 10s 20s 30s 40s 50sTimes 131 116 125 118 110What...
- Q Mr. Sigman has a variety of pens in his desk drawer. If he has seven blue, six black, and five green pens, what is the probability that he will not...
- Q 250 randomly selected people are surveyed about how they prefer to read. The results are shown in the two-way table below. ...
- Q The probability of a student taking technology and woodshop is 0.078, and the probability that a student takes technology is 0.57. Which formula represents the probability that a given student...
- Q The table below gives the expected proportion of games where the player has the given number of hits in the game. If the baseball player plays in 100 games, what...
- Q Suppose a surgeon has performed the same operation 4,235 times. Of the total number of times this surgery was performed, patients had complications due to surgery only 23 times. With...
- Q A stock clerk in a grocery store has gotten used to arranging eight kinds of cereal on a certain shelf. The manager insists on four of the kinds being in...
- Q For a flash drive, there is a memory capacity of 2 GB, 4 GB, 8 GB, and 16 GB and there are five colors. What is the probability of selecting...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!