For Exercises perform these steps. a. State the hypotheses and identify the claim. b. Find the critical
Question:
For Exercises perform these steps.
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.
The percentages of on time arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional airlines were surveyed with the B following results. At α = 0.01, is there a difference in B proportions?
Transcribed Image Text:
No. of flights No. of on-time flights Airline A 300 213 Airline B 250 185
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ANSWER a Hypotheses H0 pA pB Ha pA pB Claim There is a difference in proportions between Airline A a...View the full answer
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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