Statistics question and answers for December 12, 2023
- Q It is believed that Lake Tahoe Community College LTCC Intermediate Algebra students get less than seven hours of sleep per night on average A survey of 22 LTCC Intermediate Algebra...
- Q A company surveyed 32 male employees on their weight and the number of hours they were active every day The following scatterplot has a linear model and coefficient of determination...
- Q Question 6 of 12 7 000 6 000 5 000 4 000 3 000 2000 1 000 0 Number of Gamers Per Day Which statement is true about this regression...
- Q A normal distribution has a standard deviation of 1 We want to verify a claim that the mean is greater than 12 A sample of 36 is taken with a...
- Q When a new drug is created the pharmaceutical company must subject it to testing before receiving the necessary permission from the Food and Drug Administration FDA to market the drug...
- Q We want to test whether the mean GPA of students in American colleges is different from 2 0 out of 4 0 The null and alternative hypotheses are 1 Ho...
- Q We want to test if it takes fewer than 45 minutes to teach a lesson plan State the null and alternative hypotheses Match the correct symbol for the null and...
- Q Jeffrey as an eight year old established a mean time of 16 43 seconds for swimming the 25 yard freestyle with a standard deviation of 0 8 seconds His dad...
- Q Question 4 of 12 30 25 20 451 Population in Thousands 10 f x 2 386 Which statement is true about this regression 0 72 Number of Years Since 1900...
- Q 1 Assume HO 9 and Ha u 9 2 Assume HO u s 6 and Ha 6 3 Your friend claims that his mean golf score is 63 4 You...
- Q The same Total Station has specified errors of 3mm 2 ppm The instrument was centered over the survey point with an error of 4 mm The error of mis centering...
- Q Fill in the blanks by converting between percents decimals and fractions give exact answers with all decimals if there is a repeating decimal round to two decimal places Percent Decimal...
- Q Complete the table below by finding the equivalent values of the given value in the forms requested Simplify any fractions Proper Fraction or Mixed Number 1 4 A Decimal 0...
- Q Convert 3 4 to a decimal
- Q Fill in the blanks Fraction 3 8 Decimal Percent 0 25 50
- Q Convert 0 4 to a percent and simplified fraction Percent Fraction
- Q Level 2 office visits are coded at a frequency of 0 26 What percentage of office visits are a Level 2 Do not enter the sign
- Q BONUS Lily frequents 1 of 2 fast food restaurants choosing McDonalds 25 of the time and Burger King 75 of the time Regardless of where she goes she buys French...
- Q 16 A box contains 1 white 3 blue and 4 silver marbles TWO marbles are randomly selected without replacement Find the indicated probabilities co sull to suport ale show to...
- Q s 1 acer tre sa 14 Roll 2 fair dice Each die has 6 faces uede at you A List the sample space choose any technique for this ludy tal...
- Q 17 One hundred shoppers at a local shopping mall were categorized by age and gender as shown in the contingency table below One shopper is selected at random from that...
- Q 15 A sample space S consists of 5 events with these probabilities P E P E2 2 P E3 3 P E4 P E5 a Find the probabilities for the...
- Q Convert to a decimal and a percent 47 20 Decimal Percent
- Q Convert Percent Decimal 99 100 to a percent and decimal
- Q Convert 19 to a decimal and simplified fraction Fraction Decimal
- Q Convert 0 73 to a fraction and percent Fraction Percent
- Q Write as a decimal and as a percent as a decimal as a percent 1
- Q Round 8 9357 to the nearest hundredth
- Q 12 A student goes to the library Let events B the student checks out a book and D the student checks out a DVD Suppose that P B 0 4...
- Q 13 Draw 2 cards from a standard 52 card deck with replacement Find the probability of getting at least one black card
- Q Yoni returns to the doctor to get his stitches removed from his leg Before seeing his doctor the medical assistant takes his weight The scale reads 153 3 lbs Since...
- Q Round using the place value method Fill in the place value chart to aid your work Place 4 654 in the place value chart ones Place 5 941 in the...
- Q Statis 10 A political scientist asked a group of people how they felt about 2 political policy statements Each person was to respond A agree N neutral or D disagree...
- Q Round 2 9998 to the nearest tenth
- Q 11 Suppose an experiment has outcomes black white red orange yellow green blue and purple where each outcome has an equal chance of occurring Let event C green blue purple...
- Q Round 16 749 to the nearest thousand
- Q Round to the nearest hundredth 248 942
- Q II True or False 7 T or F An experiment is any activity that results in one and only one of several clearly defined possible outcomes but that does not...
- Q Round 9 9012 to the nearest tenth
- Q Round 4 710 to the nearest hundred
- Q Round 767 to the nearest ten
- Q Round 5 60503 to the nearest tenth
- Q A summary of home ownership statuses of loan applicants is displayed in the pie chart below rent 62 11 27 Suppose a loan is selected at random What is the...
- Q A poll showed that 64 6 of Americans say they believe that some people see the future in their dreams What is the probability of randomly selecting someone who does...
- Q ne bivariate frequency table below contains expected stats hours vs anxiety 1 to 10 scale 10 highest for a sample of 12 students from the class State your theoretical not...
- Q Let A and B be two disjoint events such that P A 0 16 and 3 0 42 What is P A or B Your Answer 0 58 I
- Q Bogs are inbred for such desirable characteristics as blue eye color but an unfortunate by product of such inbreeding can be the emergence of characteristics such as deafness A 1992...
- Q 1 We ask each student in a large Social Psychology course to report how many hours they study Paul studies 12 hours per week corresponding to a standard score of...
- Q A florist determines the probabilities for the number of flower arrangements they deliver each day X 19 20 21 22 23 P x 0 19 0 24 0 37 0...
- Q The random variable X representing the number of accidents in adetain intersection in a week has the following probability distribution Your Answer 1 0 22 Amor 2 0 25 3...
- Q Suppose a basketball team had a season of games with the following characteristics Of all the games 54 were at home games Denote this by H the remaining were away...
- Q Let A and B be two disjoint events such that P A 0 32 and P B What is P A and B Your Answer
- Q Below is a probability distribution for the number of failures in an elementary statistics course X 0 1 P X x 0 42 0 18 Determine the following probability P...
- Q Determine if the following could be a probability distribution for a discr random variable X If no state why X P X x 3 4 9 2 9 1 9...
- Q Let A and B be two independent events If P A 0 68 and P B 0 22 what is P A B Your Answer
- Q Let A and B be two independent events such that P A 0 18 and P B 0 70 What is P A or B Your answer should be given...
- Q According to the information that comes with a certain prescription drug when taking this drug there is a 19 chance of experiencing nausea N and a 50 chance of experiencing...
- Q An automobile dealer gathered data concerning the age and the type of vehicle that ased from a random sample of the people that bought vehicles from them in the past...
- Q 5 2 pts You want to determine if taking vitamins has an effect on the number of colds people get You ask subjects two questions 1 Do you regularly take...
- Q 3 2 pts An online poll showed that 25 of Americans believe that public school principals should carry firearms Does this mean that roughly one quarter of Americans think this...
- Q 1 2 pts A company that makes light bulbs would like to know what percentage of their light bulbs is defective when they leave their facilities They randomly select and...
- Q 2 2 pts You wish to determine the average number of siblings everyone in our Statistics class has Describe what process you would go through to collect a sample if...
- Q 4 2 pts A researcher has group listen to classical music while studying The other group studies in silence Grades are measured at end of the trial Is this a...
- Q 2 The following are the Test 1 scores of my Calculus 3 classes in the last 3 semesters 3 26 40 62 74 88 5 63 74 89 13 53...
- Q Ruben is the proud owner of an eclectic bow tie collection He keeps track of how many bow ties he has and organizes them by pattern and material Velvet Cotton...
- Q Show the work neatly clearly systematically and understandably USE PROPER NOTATION Do as shown in MY class 1 14 1 2 2 2 3 4 Consider the following frequency distribution...
- Q In a recent year about 36 of all infants born in a country were conceived through in vitro fertilization IVF Of the IVF deliveries about twenty five percent resulted in...
- Q Question 8 Y The median home value in Indiana and Nevada adjusted for inflation are shown below Year Indiana Nevada 1950 37700 53700 2000 94300 142000 If we assume that...
- Q An insurance company believes that people can be divided into two classes those who are accident prone and tho who are not The company s statistics show that an accident...
- Q You collected the data given in the table below on y and x Complete an OLS regression using this data For credit show all your work Observation 1 2 3...
- Q An urn contains 23 balls of which 15 are white Three players A B and C successively draw from the urn A first then B then C then A and...
- Q Suppose a researcher collects data on the pollen allergen levels measured in grains per cubic meter in the morning and evening in 35 cities The data is plotted with morning...
- Q Two fair 14 sided dice are rolled What is the conditional probability that at least one lands on 8 given that the dice land on different numbers T The probability...
- Q A survey recently went out to 15 university presidents across a certain country The data represents the ages of the different presid Use a stem and leaf plot that has...
- Q cannot have a negative acceleration Do you agree or disagree with this statement Justify your answer 17 What is the correct description of its motion during the ten second motion...
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