Consider the following hypotheses:
H0: ? ? 12.6
HA: ? > 12.6
A samp...
Mathematics, 11.03.2020 05:29 tyler9158
Consider the following hypotheses:
H0: ? ? 12.6
HA: ? > 12.6
A sample of 25 observations yields a sample mean of 13.4. Assume that the sample is drawn from a normal population with a known population standard deviation of 3.2.
a. Calculate the p-value. (Round "z" value to 2 decimal places and final answer to 4 decimal places.
p-value =
b. What is the conclusion if ? = 0.10
A. Reject H0 since the p-value is greater than ?.
B. Reject H0 since the p-value is smaller than ?.
C. Do not reject H0 since the p-value is greater than ?.
D. Do not reject H0 since the p-value is smaller than ?.
c. Calculate the p-value if the above sample mean was based on a sample of 100 observations. (Round "z" value to 2 decimal places and final answer to 4 decimal places.)
p-value =
d. What is the conclusion if ? = 0.10?
A. Reject H0 since the p-value is greater than ?.
B. Reject H0 since the p-value is smaller than ?.
C. Do not reject H0 since the p-value is greater than ?.
D. Do not reject H0 since the p-value is smaller than ?.
Answers: 2
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