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Pulse rates of women have a normal distrbution with a mean of 75 and standard deviation...

Pulse rates of women have a normal distrbution with a mean of 75 and standard deviation of 8. What pulse rate X is such that only 5% of women have a higher pulse rate than X?
math   Statistics-And-Probability   
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Answer #1

Z=1.645...................by using Z table or Excel =NORMSINV(1-0.05)

Therefore,

=1.645*8+75

=88.16

X=88.16
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