Systolic Blood PressureAssume that the mean systolic blood pressure of normal adults is

120

millimeters

of mercury (mmHg

) and the standard deviation is5.6

.Assume the variable is normally distributed. Round the answers to at least4

decimal places and intermediatez

-value calculations to2

decimal places.

Part 1 of 3

Your Answer is correct

If an individual is selected, find the probability that the individual's pressure will be between

117.1

and120

mmHg

.=

P

<

117.1

<

X

120

0.1977

Part:1 / 3

1 of 3 Parts Complete

Part 2 of 3

If a sample of

38

adults is randomly selected, find the probability that the sample mean will be between117.1

and120

mmHg

.Assume that the sample is taken from a large population and the correction factor can be ignored.=

P

<

117.1

<

X

120