Question
(5.2) 3b In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.4
(5.2)
3b
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of
69.4
inches and a standard deviation of
3.0
inches. A study participant is randomly selected. Complete parts (a) through (d) below.
Question content area bottom
Part 1
(a) Find the probability that a study participant has a height that is less than
68
inches.
The probability that the study participant selected at random is less than
68
inches tall is
0.32040.3204.
(Round to four decimal places as needed.)
Part 2
(b) Find the probability that a study participant has a height that is between
68
and
71
inches.
The probability that the study participant selected at random is between
68
and
71
inches tall is
enter your response here.
(Round to four decimal places as needed.)
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