The local swim team is considering offering a new semi-private class aimed at entry-level swimmers, but needs at minimum number of swimmers to sign up in order to be cost effective. Last year's data showed that during 8 swim sessions the average number of entry-level swimmers attending was 15. Suppose the instructor wants to conduct a hypothesis test to test the population mean is less than 15. Which one of the following are the null Ho and alternative H, hypotheses for this test? 1. Ho : µ = 15 vs H. : µ # 15 2. Ho : µ = 15 vs Ha : µ > 15 3. Ho : H < 15 vs H. : µ > 15 4. Ho : µ = 15 vs H. : µ < 15 4 None of the above.

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The local swim team is considering offering a new semi-private class aimed at
entry-level swimmers, but needs at minimum number of swimmers to sign up in
order to be cost effective. Last year's data showed that during 8 swim sessions the
average number of entry-level swimmers attending was 15. Suppose the instructor
wants to conduct a hypothesis test to test the population mean is less than 15.
Which one of the following are the null Ho and alternative H, hypotheses for this
test?
1. Ho : µ = 15 vs H. : µ + 15
2. Но : и 3D 15 vs Ha : и> 15
3. Но : и < 15 vs Ha : и> 15
4. Ho : H = 15 vs H. : µ < 15
2
O 1
None of the above.
O 3
Transcribed Image Text:The local swim team is considering offering a new semi-private class aimed at entry-level swimmers, but needs at minimum number of swimmers to sign up in order to be cost effective. Last year's data showed that during 8 swim sessions the average number of entry-level swimmers attending was 15. Suppose the instructor wants to conduct a hypothesis test to test the population mean is less than 15. Which one of the following are the null Ho and alternative H, hypotheses for this test? 1. Ho : µ = 15 vs H. : µ + 15 2. Но : и 3D 15 vs Ha : и> 15 3. Но : и < 15 vs Ha : и> 15 4. Ho : H = 15 vs H. : µ < 15 2 O 1 None of the above. O 3
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