Answered: What is the null hypothesis? see…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

Your company is trying to figure out what percentage of students use a rental service like RentTheRunway at some point in their college career. They think that 40% of students try a rental service at some point in their college career. You decide to test this since you believe it is less than this. You take a sample of 950 graduating seniors. You find out that 339 of them have tried renting clothes at some point while in college. Does your evidence support your company's claim or not?

a) What is the null hypothesis? see examples in E3:G8

b) What is the alternative hypothesis? see examples in E3:G8

c) What is the claimed population proportion?

d) What is the sample proportion (called the test statistic)

e) What is the std deviation

f) What is the z-value of the test statistic?

g) What is the p-value

h) What is the conclusion in words

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