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A simple random sample of 100 flights of a large airline (call this Airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (call this Airline 2) showed that 80 were on time. Let p₁ and p2 be the proportions of all flights that are were time for these two airlines. Is there evidence of a difference in the on-time rate for the two airlines? To determine this, test the hypotheses Ho: P1 = P2 versus Ha: P₁ P2 at a 10% significance level. What would our decision be? Based on that decision, what type of mistake could we have made? Reject Ho; Type II error Reject Ho; Type I error Do not reject Ho; Type I error O Do not reject Ho; Type II error

A simple random sample of 100 flights of a large airline (call this Airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (call this Airline 2) showed that 80 were on time. Let p₁ and p2 be the proportions of all flights that are were time for these two airlines. Is there evidence of a difference in the on-time rate for the two airlines? To determine this, test the hypotheses Ho: P1 = P2 versus Ha: P₁ P2 at a 10% significance level. What would our decision be? Based on that decision, what type of mistake could we have made? Reject Ho; Type II error Reject Ho; Type I error Do not reject Ho; Type I error O Do not reject Ho; Type II error

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A simple random sample of 100 flights of a large airline (call this Airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (call this Airline 2) showed that 80 were on time. Let p₁ and på be the proportions of all flights that are were time for these two airlines. Is there evidence of a difference in the on-time rate for the two airlines? To determine this, test the hypotheses Ho: P1 = P2 versus H₁: P1 P2 at a 10% significance level. What would our decision be? Based on that decision, what type of mistake could we have made? Reject Ho; Type II error Reject Ho; Type I error Do not reject Ho; Type I error Do not reject Ho; Type II error
Transcribed Image Text:A simple random sample of 100 flights of a large airline (call this Airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (call this Airline 2) showed that 80 were on time. Let p₁ and på be the proportions of all flights that are were time for these two airlines. Is there evidence of a difference in the on-time rate for the two airlines? To determine this, test the hypotheses Ho: P1 = P2 versus H₁: P1 P2 at a 10% significance level. What would our decision be? Based on that decision, what type of mistake could we have made? Reject Ho; Type II error Reject Ho; Type I error Do not reject Ho; Type I error Do not reject Ho; Type II error
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