Labor force participation among women rose in the United States between 1975 and 2000 and has beeendeclining ever since. According to the U.S. Bureau of Labor Statistics, 54% of women were in the laborforce in 2015.1. If 100 working age women are randomly selected, what is the probability that between 48% and 64%are in the labor force? Round your answer to 4 decimal places.2. If 190 working age women are randomly selected, what is the probability that between 48% and 64%are in the labor force? Round your answer to 4 decimal piaces.3. Why did the probabitity increase?OThe neohahititv Increart since the samnle cize incrpasert and the distribution of sample

The random variable X follows binomial distribution. We have to find the probability between 48% and…

Answered: Labor force participation among women…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?
Suppose 40% of recent college graduates plan on pursuing a graduate degree. Fifteen recent college graduates are randomly selected. a. What is the probability that no more than four of the college graduates plan to pursue a graduate degree? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) b. What is the probability that exactly seven of the college graduates plan to pursue a graduate degree? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) c. What is the probability that at least six but no more than nine of the college graduates plan to pursue a graduate degree? (Do not round intermediate calculations. Round your final answer to 4 decimal places.)
According to a study conducted by the Gallup organization, the proportion of Americans who are afraid to fly is 0.10. A random sample of 1100 Americans is taken and they are asked if they are afraid to fly. Find the probability that the sample portion of Americans in the sample who say they are afraid to fly is greater than 12. QUESTION REFERS TO DISTRIBUTION OF THE SAMPLING PROPORTION PHAT
A market research organization surveyed 102 people and found that 73 of them would like more baseball games shown on network TV. Estimate the probability that any one person would express this opinion.
The 2015 National Vital Statistics Report provides information on how the nearly four million live births that occurred in 2014 broke down by birth order. Choose at random a baby born in the United States in 2014. Baby's birth order Probability mean = 1 2 0.391 0.319 The few babies who were 9th or more in birth order are included in the "8" birth order group. In 2014, 39.1% of the nearly 4 million live births in the United States were to first-time mothers. 3 5 6 7 4 0.168 0.072 0.028 0.012 0.005 standard deviation = What are the properties of the sampling distribution of the proportion of births to first-time mothers in random samples of 500 births from 2014? (Enter your answer for the mean rounded to three decimal place and your answer for the standard deviation rounded to four decimal places.) 8 0.005
A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over the age of 65. Seventeen coronary bypass patients are sampled. What is the probability that exactly 11 of them are over the age of 65? Round the answer to four decimal places.
According to a 2009 Reader's Digest article, people throw away approximately 17% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 114 grocery shoppers to investigate their behavior. What is the probability that the sample proportion is between 0.09 and 0.15? Answer = (Enter your answer as a number accurate to 4 decimal places.)
According to the U.S. Census Bureau, 18% of U.S. households are in the Northeast and about 5.6% of U.S.households in the Northeast earn more than $75,000 per year. Find the probability that a randomly selected U.S. household is in the Northeast and earns more than $75,000 per year. Round your answer to three decimal places.
The probability that a trainee will remain with a company is 0.6. the probability that am employee earnsbmore than k10,000 per month is 0.5. the probability that an employee who is a trainee remained with the company or who earns more than k10,000 per month is 0.7. what is the probability that an employee earns more than k10,000 per month given that he is a trainee who stayed with the company
Transportation officials tell us that 90% of drivers wear seat belts while driving. What is the probability that between 525 and 530 drivers in a sample of 600 drivers wear seat belts.

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