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According to shopper data, 97% of households purchase Plan: The analyst should carry out a z-test for one toilet paper. An analyst believes this is too low. To investigate, the analyst selects a random sample of 500 households and finds that 98% of them purchase toilet paper. Do these data provide convincing statistical evidence at the a = 0.05 level to conclude that the true proportion of all households that purchase toilet paper differs from 0.97? proportion. Determine if each condition is met or not met. Random: met 10%: Large counts: What is the test statistic and P-value? Test statistic: z = | P-value: | The analyst should v Ho. Но-

According to shopper data, 97% of households purchase Plan: The analyst should carry out a z-test for one toilet paper. An analyst believes this is too low. To investigate, the analyst selects a random sample of 500 households and finds that 98% of them purchase toilet paper. Do these data provide convincing statistical evidence at the a = 0.05 level to conclude that the true proportion of all households that purchase toilet paper differs from 0.97? proportion. Determine if each condition is met or not met. Random: met 10%: Large counts: What is the test statistic and P-value? Test statistic: z = | P-value: | The analyst should v Ho. Но-

MATLAB: An Introduction with Applications
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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According to shopper data, 97% of households purchase toilet paper. An analyst believes this is too low. To investigate, the analyst selects a random sample of 500 households and finds that 98% of them purchase toilet paper. Do these data provide convincing statistical evidence at the α = 0.05 level to conclude that the true proportion of all households that purchase toilet paper differs from 0.97?

According to shopper data, 97% of households purchase Plan: The analyst should carry out a z-test for one toilet paper. An analyst believes this is too low. To investigate, the analyst selects a random sample of 500 households and finds that 98% of them purchase toilet paper. Do these data provide convincing statistical evidence at the a = 0.05 level to conclude that the true proportion of all households that purchase toilet paper differs from 0.97? proportion. Determine if each condition is met or not met. Random: met 10%: Large counts: What is the test statistic and P-value? Test statistic: z = | P-value: | The analyst should v Ho. Но-
Transcribed Image Text:According to shopper data, 97% of households purchase Plan: The analyst should carry out a z-test for one toilet paper. An analyst believes this is too low. To investigate, the analyst selects a random sample of 500 households and finds that 98% of them purchase toilet paper. Do these data provide convincing statistical evidence at the a = 0.05 level to conclude that the true proportion of all households that purchase toilet paper differs from 0.97? proportion. Determine if each condition is met or not met. Random: met 10%: Large counts: What is the test statistic and P-value? Test statistic: z = | P-value: | The analyst should v Ho. Но-
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