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The overhead reach distances of adult females are normally distributed with a mean of 205 cm...

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Statistics

The overhead reach distances of adult females are normallydistributed with a mean of 205 cm and a standard deviation of 8.9cm .

a. Find the probability that an individual distance is greaterthan 217.50 cm.

b. Find the probability that the mean for 15 randomly selecteddistances is greater than 202.80 cm

. c. Why can the normal distribution be used in part​ (b), eventhough the sample size does not exceed​ 30?

Answer & Explanation Solved by verified expert
4.5 Ratings (893 Votes)
Solution Given that mean 205standard deviation 89aPx 21750 1 Px 21750    See Answer
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