A Food Marketing Institute found that 39% of households spend more than $125 a week on groceries. Assumethe population proportion is 0.39 and a simple random sample of 147 households is selected from thepopulation. What is the probability that the sample proportion of households spending more than $125 aweek is between 0.3 and 0.44?Answer =(Enter your answer as a number accurate to 4 decimal places.)

the sample size n=147the population proportion p=0.39

Answered: A Food Marketing Institute found that…

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 14% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 135 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.19? Answer = (Enter your answer as a number accurate to 4 decimal places.)
According to a 2009 Reader's Digest article, people throw away approximately 11% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 167 grocery shoppers to investigate their behavior. What is the probability that the sample proportion exceeds 0.09? (Enter your answer as a number accurate to 4 decimal places.)
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During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field goal completion rate in the league. DeAndre scored with 61.3% of his shots. Suppose you choose a random sample of 80 shots made by DeAndre during the 2013 season. Let X= the number of shots that scored points. Find the probability that DeAndre scored with more than 50 of these shots.
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The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 45 74 No 285 571 If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated or the driver was not intoxicated.Report the answer as a percent rounded to one decimal place accuracy.
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