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A competitor claims to be able to do a standard task in under an hour. For a random sample of 24 tasks, she averaged 63.2

A competitor claims to be able to do a standard task in under an hour. For a random sample of 24 tasks, she averaged 63.2 minutes with a standard deviation of 7.7 minutes. What is the test statistic for this test?

a. Z= 2.04

b. None of the suggested answers are correct

c. Z= 1.79

d. t= 1.79

e. t= 2.04

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