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Use the Following Information for Questions:
a Hypothesis Test p^\hat{p}

Question 20

Multiple Choice

Use the following information for questions:
A hypothesis test for a population proportion p is given below:
H0: p = 0.10
Ha: p ≠ 0.10
For each sample size n and sample proportion p^\hat{p} compute the value of the z-statistic.
-Sample size n = 100 and sample proportion p^\hat{p} = 0.15. z-statistic = ?


A) -1.12
B) 0.04
C) 1.12
D) 1.67

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