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. Dr. Lopez sees exactly 25 female pa

Question 863820: 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. Dr. Lopez sees exactly 25 female patients each day. Find the probability the 25 randomly selected women have a mean pulse rate between 70 bpm and 85 bpm.
b. Dr. Lopez sees exactly 25 female patients each day. Find the probability the 25 randomly selected women have a mean pulse rate between less than 70 bpm.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute.

Sample s = 11.6/sqrt(25) = 2.8

a) normalcdf(70,85, 77.5, 2.8)

b) normalcdf(-100, 70, 77.5,2.8)     |-100 a placeholder 

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