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Consider the following hypotheses: H 0 : 84.2 H A :> 84.2 A sample of 34 observations yields a sample mean of 85.5. Assume that
Consider the following hypotheses: |
H0: 84.2 |
HA:> 84.2 |
A sample of 34 observations yields a sample mean of 85.5. Assume that the sample is drawn from a normal population with a known population standard deviation of 5.8. UseTable 1. |
a. | Calculate thep-value.(Round "z" valueto 2 decimal places.) |
p-value |
b. | What is the conclusion if= 0.02? | ||
|
c. | Calculate thep-value if the above sample mean was based on a sample of 115 observations.(Round "z" valueto 2 decimal places.) |
p-value |
d. | What is the conclusion if= 0.02? | ||
|
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