A company′s old antacid formula provided relief for 70% of the people who used it. The company tests a new formula on a sample of 200 patients to see if it is better. The sample finds 77% that felt relief. Does the evidence indicate the new formula is better? Use a 5% significance level.

A company′s old antacid formula provided relief for 70% of the people who used it. The company tests a new formula on a sample of 200 patients to see if it is better. The sample finds 77% that felt relief. Does the evidence indicate the new formula is better? Use a 5% significance level.

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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Question

A company′s old antacid formula provided relief for 70% of the people
who used it. The company tests a new formula on a sample of 200
patients to see if it is better. The sample finds 77% that felt relief. Does
the evidence indicate the new formula is better? Use a 5% significance
level.

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