To find: The appropriate conclusion for the provided test.
Answer to Problem 59E
It is significant at both the confidence levels.
Explanation of Solution
Given:
The hypotheses are:
Test statistic ( z ) = 2.43
Calculation:
The alternative hypothesis suggests that the test is one tailed.
The p-value is calculated as:
The p-value is smaller for the both significance levels. Thus, the test is significant at both the levels of significance.
Hence, the correct option is (d).
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