Chapter 07, Section 7.6, Intelligent Tutoring Problem 063A survey of all medium- and large-sized corporations showed that 64% of them offer retirement plans to their employees. Let p be the proportion in a random sample of 50 such corporations that offer retirement plans totheir employees.Find the probability that the value of p will bea. between 0.54 and 0,61b. greater than 0.71 Chapter 07, Section 7.6, Intelligent Tutoring Problem 063Z Your answer is partially correct. Try again.b.For p = 0.71, what is z ?0.7611

The value for and are both greater than 5, that is both the conditions are satisfied. Since both…

Answered: Chapter 07, Section 7.6, Intelligent…

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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Regifting is defined as the act of taking a gift that has been given to you and presenting it as a gift to someone else. According to survey conducted by a credit card company regarding consumer spending, 81% of the respondents felt that it was socially acceptable to regift during the holiday season (big sigh of relief). Suppose a random sample of 10 holiday shoppers was selected. Complete parts a through d. a. What is the probability that 9 shoppers from this sample felt that regifting was socially acceptable? The probability is. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that more than 7 shoppers from this sample felt that regifting was socially acceptable? The probability is. (Type an integer or decimal rounded to four decimal places as needed.) c. What is the probability that fewer than 10 shoppers from this sample felt that regifting was socially acceptable? The probability is (Type an integer or decimal rounded to four…
According to a survey, 26.6% of credit-card-holding families in a certain area hardly ever pay off the balance. Suppose a random sample of 29 credit-card-holding families is taken. Find the probability that at least 4 families hardly ever pay off the balance.
A study of consumer smoking habits includes 200 people in the 18-22 age bracket (40 of whom smoke), 130 people in the 23-30 age bracket (31 of whom smoke), 100 people in the 31-40 age bracket (30 of whom smoke). If one person is randomly selected from this sample find the probability of getting someone who was isage 18 to 22 or smokes. A. 0.593 B.0.695 C.0.468 D.0.607
In a poll conducted by the General Social Survey, 70% of respondents said that their jobs were sometimes or always stressful. Twelve workers are chosen at random. Round the answers to at least four decimal places.What is the probability that more than 9 of them find their jobs stressful?
please provide thorough explanation for each question and correct answers...........
suppose we select an SRS of 1010 adults. If it is believed that 60% of all adults are very satisfied with their lives, what is the probability that at least 610 adults in our sample are very satisfied with their lives?Let X be the number (out of 1010) of adults who are very satisfied with their lives. What distribution should X have? Why?
According to a survey, 28.5% of credit-card-holding families in a certain area hardly ever pay off the balance. Suppose a random sample of 29 credit-card-holding families is taken. Find the probability that at least 7 families hardly ever pay off the balance.
Q1. It is reported that the percentage of people in a small village that have health insurance is 80%. If 17 people are randomly selected, the find the following (a) The probability that 7 of them have health insurance. (b) The probability that at least 10 have health insurance.
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
According to a recent study, 1 in every 7 women has been a victim of domestic abuse at some point in her life. Suppose we have randomly and independently sampled twenty-five women and asked each whether she has been a victim of domestic abuse at some point in her life. Find the probability that more than 22 of the women sampled have not been the victim of domestic abuse.
According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's habits as they sneeze. Complete parts (a) through (c). Question content area bottom Part 1 (a) What is the probability that among 18 randomly observed individuals, exactly 4 do not cover their mouth when sneezing?

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