19. In a hypothesis test with that: a. the mean is not equal to 30 when it is eq

Question

19. In a hypothesis test with that: a. the mean is not equal to 30 when it is equal to 30 b. th c. the mean is less than 30 when it is actually 30 d. the mean is 30 when it is not the null hypothesis -30, it is a Type II error to conclude e mean is greater than 30 when it is equal to 30 For problems 20-24: It is claimed that the average income of accountants is $45,000 (neither more nor less). To test this at the 5% significance level, a random sample of49 accountants are surveyed and found to have an average income of $47,500 and it is known that 10,500 20. The null hypothesis to be tested is: a. $45,000 b, = $45,000 c. > $45,000 = $47,500 1. The alternative hypothesis is: $45,000 = $45,000 > $45,000

Explanation / Answer

type II error is incorrectly retaining a false null hypothesis (also known as a "false negative" finding).

The answer is A. The mean is not equal to 30 when it is equal to 30

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