SOLUTION: Im not understanding this question For a group of 22 college football players the mean heart rate after a morning workout session was 86 beats per minute and the stnadard deviatio

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Question 462049: Im not understanding this question
For a group of 22 college football players the mean heart rate after a morning workout session was 86 beats per minute and the stnadard deviation was 5. Find the 90% confidence interval of the tru mena for all college football players after a workout session. If a coach did not want to work his team beyond its capacity what maximum values should he use for the mean number of heartbeats per minute?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
For a group of 22 college football players the mean heart rate after a morning workout session was 86 beats per minute and the stnadard deviation was 5. Find the 90% confidence interval of the tru mena for all college football players after a workout session. If a coach did not want to work his team beyond its capacity what maximum values should he use for the mean number of heartbeats per minute?
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x-bar = 86
ME = 1.645*5/sqrt(22) = 1.7536
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90% CI: 86-1.7536 < u < 86+1.7536
90% CI: 84.25 < u < 87.75
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Cheers,
Stan H.
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