Question

Question 3 (5 points)

Expedia would like to test the hypothesis that the proportion of United Airline flights that arrive on-time is less than 0.80. A random sample of 110 United Airline flights found that 82 arrived on-time. Expedia would like to set α = 0.02. The critical value for this hypothesis test would be ________.

Question 3 options:

	-1.28
	-1.645
	-2.05
	-2.33

Question 4 (5 points)

A golfer claims that his average golf score at the course he plays regularly is less than 90. A Type I error would occur if the golfer concludes that the average score is

Question 4 options:

	90 or more when, in reality, the average score is less than 90.
	more than 90 when, in reality, the average score is equal to 90.
	less than 90 when, in reality, the average score is 90 or more.
	90 or less when, in reality, the average score is equal to 90.

Answer 1

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