Question

Suppose that pulse rates among healthy adults are normally distributed with a mean 79 of beats/minute and a standard deviation of 10 beats/minute. What proportion of healthy adults have pulse rates that are less than 92 beats/minute? Round your answer to at least four decimal places

Answer 1

Solution:

given that,

$\mu$ = 79 beats/minute

$\sigma$ = 10 beats/minute

pr<92)

P ple-H92 – 79 10

p < 10

p(2<1.3)

Using standard normal table The value of

plz <1.3) = 0.9032