Part 1 a. Test the null hypothesis that μ=100 against the alternative hypothesis that μ>100, using

A random sample of 100 observations from a population with standard deviation 85
yielded a sample mean of

115.
Complete parts a through c

below.
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Part 1
a. Test the null hypothesis that μ=100 against the alternative hypothesis that

μ>100,
using

α=0.05.
Interpret the results of the test.

What is the value of the test statistic?

z=enter your response here
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