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A simple random sample of 100 flights of a large airline (airline 1) showed that 64 were on time. A simple random sample of 100
A simple random sample of 100 flights of a large airline (airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (airline 2) showed that 80 were on time. Letp1andp2be the proportion of all flights that are on time for these two airlines. Is there evidence of any difference between the on-time rates for the two airlines? To determine this, you test the following hypotheses:
A) H0:p1 p2,Ha:p1=p2. B) H0:p1=p2,Ha:p1>p2. C) H0:p1=p2,Ha:p1<p2. D) H0:p1=p2,Ha:p1 p2.
| A simple random sample of 100 flights of a large airline (airline 1) showed that 64 were on time. A simple random sample of 100 flights of another large airline (airline 2) showed that 80 were on time. Letp1andp2be the proportion of all flights that are on time for these two airlines. Is there evidence of any difference between the on-time rates for the two airlines? To determine this, you test the following hypotheses: |
| A) | H0:p1 p2,Ha:p1=p2. |
| B) | H0:p1=p2,Ha:p1>p2. |
| C) | H0:p1=p2,Ha:p1<p2. |
| D) | H0:p1=p2,Ha:p1 p2. |
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The How And Why Of One Variable Calculus
Authors: Amol Sasane
1st Edition
1119043417, 9781119043416
