Significance tests A test of H0 :p = 0.65 against Ha :p < 0.65 has test statistic z =

Chapter 9, Problem 38

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QUESTION:

Significance tests A test of H0 :p = 0.65 against Ha :p < 0.65 has test statistic z = 1.78. (a) What conclusion would you draw at the 5% significance level? At the 1% level? (b) If the alternative hypothesis were Ha :p 0.65, what conclusion would you draw at the 5% significance level? At the 1% level?

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QUESTION:

Significance tests A test of H0 :p = 0.65 against Ha :p < 0.65 has test statistic z = 1.78. (a) What conclusion would you draw at the 5% significance level? At the 1% level? (b) If the alternative hypothesis were Ha :p 0.65, what conclusion would you draw at the 5% significance level? At the 1% level?

ANSWER:

Step 1 of 3

(a)

Given:

The P-value is the probability of obtaining the value of the test statistic, or a value more extreme. Determine the P-value using table A:

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