Essay
In testing the hypotheses
H0: μ = 20
HA: μ < 20
the following information was given: = 8.1, n = 100, = 18.1, α = 0.025.
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 = -2.346.
b. Z < -z0.025 ...View Answer
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Correct Answer:
Verified
b. Z < -z0.025 ...
View Answer
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