Question

Assume that the mean systolic blood pressure of normal adults is

120millimeters

of mercury (

mmHg

) and the standard deviation is

5.6

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

4

decimal places and intermediate

z

-value calculations to

2

decimal places.

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

117.2

and

120mmHg

.

Answer 1

• The probability that the individual's pressure will be between 117.2 and 120 mmHg is 0.1915