15. During a recent period of high unemployment, hundreds of thousands of drivers droppedtheir automobile insurance. Sample data representative of the national automobile insur-ance coverage for individuals 18 years of age and older are shown here.b.C.Age18 to 3435 and over60Automobile InsuranceYes15001900a. Develop a joint probability table for these data and use the table to answer the remainingquestions.No340260What do the marginal probabilities tell you about the age of the U.S. population?What is the probability that a randomly selected individual does not have automobileinsurance coverage?d. If the individual is between the ages of 18 and 34, what is the probability that theindividual does not have automobile insurance coverage?e.If the individual is age 35 or over, what is the probability that the individual does nothave automobile insurance coverage?f.If the individual does not have automobile insurance, what is the probability that theindividual is in the 18-34 age group?What does the probability information tell you about automobile insurance coveragein the United States?

Given Information: Yes No Row Total 18 to 34 1500 340 1840 35 and over 1900 260 2160…

Answered: 15. During a recent period of high…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The following indicates the probability distribution of the number of breakdowns per month for a computer based on past data. Find the probability that the number of breakdowns for this computer is at most 2. Breakdowns/month Probability 1 2 3 0.18 0.21 0.31 0.40 0.52
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 78 87 32 Male 6 33 25 Distribution of Super Power by Gender What is the empirical probability that a randomly selected female superhero will be able to fly? Answer in decimal form. Round to 3 decimal places as needed Your Answer:
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 82 67 89 Male 83 62 68 Distribution of Super Power by Gender What is the empirical probability that a randomly selected superhero will have super strength? Answer in decimal form. Round to 3 decimal places as needed
Please explain part B.
The figure below represents the data from Table 3.6 in the book. It summarizes the lengths of hospital stays (days) for a sample 25 patients. Duration of hospitalization (days) 10 9 9. 8. 4. 3. 2. 06-10 11-15 16-20 >20 01-05 What is the probability that someone,stayed in the hospital 6 days or more? 64% 36% 72% None of these choices are correct. O O 0 O
Suppose the manager agrees to pay each employee a $50 bonus if they meet a certain goal. On a typical Saturday, the oil change facility will perform 40 oil changes between 10 AM and 12PM. Treating this as a random sample, there would be a 10% chance of the mean oil change time being at or below what value.
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 24 51 59 Male 100 54 86 Distribution of Super Power by Gender What is the empirical probability that a randomly selected superhero will have telepathy? Answer in decimal form. Round to 3 decimal places as needed
15
Mr. Akram handles his own investment and has done for so many years. Listed below is the holding time between purchase and sale of his collection of stock. 11 11 9 15 8 8 12 5 9 8 5 5 14 9 10 11 3 9 8 6 8 9. 5 11 4 8 12 8 6 11 9 7 Create the frequency distribution from above mentioned information? About 75% of stock sells in what time? Draw the cumulative frequency distribution.
You may need to use the appropriate appendix table or technology to answer this question. A market research firm conducts telephone surveys with a 26% historical response rate. What is the probability that in a new sample of 600 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the sample proportion will be at least 150 600 = 0.25? Step 1 Recall that a sampling distribution of p is a discrete probability distribution but can be approximated by a normal distribution when np ≥ 5 and n(1 − p) ≥ 5, where n is the sample size and p is the population proportion. Let p be the population proportion of people who respond to questions in telephone surveys. Here, it is given that 26% of people respond to questions in telephone surveys. Converting this percentage to a proportion gives p = . There is a sample of 600 telephone numbers, so n = .
7. The following cumulative distribution characterizes length of residence for a large number of individuals in a city. Years Cumulative Probability 0-1 .115 365 535 675 1-2 2-5 5-10 10-20 20-40 .945 985 a. What is the range of median length of residence?
12. Calculate the expected life of refrigerators at the age of 7 using the following data. Age: up 2 2-4 4-6 6–8 8-10 10-12 16 13 7 5 4 Girls:

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