SOLUTION: women have pulse rates that are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute A.find the percentiles p1 and p99 B.

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Question 976662: women have pulse rates that are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute
A.find the percentiles p1 and p99
B. Dr. Puretz sees exactly 25 female patients each day. Find the probability that 25 randomly selected women have a mean pulse rate between 70 and 85 beats/minute
Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
49% results in a z score of 2.34, 27.14bpm giving a P99 of 104.64 and P1 of 50.36, I believe.
7.5 bpm is .64 of 11.6 with 47.8% in that range. (Sorry, I do not know how to finish the calculation from here)