Identify the claim and state Ho and HDetermine whether the hypothesis test is left-tailed, right-tailed, or two-tailed, and whether to use a z-test, a t-test, or a chi-square test. Explain your reasoning.Find the critical value(s), identify the rejection region(s), and find the appropriate standardized test statistic.Decide whether to reject or fail to reject the null hypothesis.Interpret the decision in the context of the original claim. A maker of a microwave oven advertises that less than 10% of its microwaves need repair during the first five years of use. In a random sample of 57 microwaves that are 5 years old, 13% needed repairs. At α = 0.05, can you support the maker’s claim?

1. Denote p as the true proportion of microwaves that need repair.

Answered: Identify the claim and state Ho and H…

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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Identify the claim and state Ho and H
Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed, and whether to use a z-test, a t-test, or a chi-square test. Explain your reasoning.
Find the critical value(s), identify the rejection region(s), and find the appropriate standardized test statistic.
Decide whether to reject or fail to reject the null hypothesis.
Interpret the decision in the context of the original claim. A maker of a microwave oven advertises that less than 10% of its microwaves need repair during the first five years of use. In a random sample of 57 microwaves that are 5 years old, 13% needed repairs. At α = 0.05, can you support the maker’s claim?

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