Essay
In testing the hypotheses:
H0: μ = 22
HA: μ < 22
the following information was given: = 15, n = 50, = 17.5, = 0.04.
a. Calculate the value of the test statistic.
b. Set up the rejection region.
c. Determine the p-value.
d. Interpret the result.
Correct Answer:

Verified
a. Z = -2.12.
b. Z < - z0.04 = -1.75.
c....View Answer
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Correct Answer:
Verified
b. Z < - z0.04 = -1.75.
c....
View Answer
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