To find: The standardized test statistic using the provided information.
Answer to Problem T9.5SPT
The test statistic is
Explanation of Solution
Given:
The null and alternative hypotheses are:
Formula used:
The formula to compute the test statistic is:
Where,
Calculation:
The sample proportion can be computed as:
Now, test statistic can be calculated as:
Thus, the test statistic is
Hence, the correct option is (d).
Chapter 9 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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