n a survey of a group of? men, the heights in the? 20-29 age group were normally

Q: n a survey of a group of? men, the heights in the? 20-29 age group were normally

a) probability that a study participant has a height that is less than 67 inches: ( please try 0.4090 if above comes wrong due to rounding) b) ( please try 0.5146 if above comes wrong due to rounding) for normal distribution z score =(X-?)/? here mean= ?= 67.7 std deviation =?= 3.0000

ID: 3066892 • Letter: N

Question

n a survey of a group of? men, the heights in the? 20-29 age group were normally? distributed, with a mean of 67.7 inches and a standard deviation of 3.0 inches. A study participant is randomly selected. Complete parts? (a) through? (d) below. ?(a) Find the probability that a study participant has a height that is less than 67 inches. The probability that the study participant selected at random is less than 67 inches tall is nothing. ?(Round to four decimal places as? needed.) ?(b) Find the probability that a study participant has a height that is between 67 and 72 inches. The probability that the study participant selected at random is between 67 and 72 inches tall is nothing. ?(Round to four decimal places as? needed.)

Explanation / Answer

probability that a study participant has a height that is less than 67 inches:

( please try 0.4090 if above comes wrong due to rounding)

( please try 0.5146 if above comes wrong due to rounding)

for normal distribution z score =(X-?)/? here mean= ?= 67.7 std deviation =?= 3.0000

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n a survey of a group of? men, the heights in the? 20-29 age group were normally

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