It is known that 17% of people ride public transport without paying for it. We talk to 79 people who havebeen on public transport in the last month. What is the probability that the sample proportion is more than19% ?(Enter your answer as a number accurate to 4 decimal places.)

Given,sample size(n)=79sample proportion(p^)=0.17

Answered: It is known that 17% of people ride…

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 a 2009 Reader's Digest article, people throw away about 11% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 79 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.18?Note: Calculate z to two decimal places.Answer = (Enter your answer as a number accurate to 4 decimal places.)
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
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It is known that 17% of people ride public transport without paying for it. We talk to 79 people who have been on public transport in the last month. What is the probability that the sample proportion is more than 19%2 (Enter your answer as a number accurate to 4 decimal places.)