Answered: μ=40; α=0.04; σ=3.88. Sample…

μ=40; α=0.04; σ=3.88. Sample statistics: x=38.2, n=72 the null and alternative hypotheses: H0: μ=40 Ha: μ≠40 The standardized test statistic is −3.94. Determine the critical value(s).

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

Claim:

μ=40;

α=0.04;

σ=3.88.

Sample statistics:

x=38.2,

n=72

the null and alternative hypotheses:

H0:

μ=40

Ha:

μ≠40

The standardized test statistic is

−3.94.

Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.

(Round to two decimal places as needed.)

The critical values are

The critical value is

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