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heights in the 20-29 age group were normally distributed mean= 69.8 inches standard deviation =3.0 inches 1) what's the probability a height that is...

heights in the 20-29 age group were normally distributed

mean= 69.8 inches

standard deviation =3.0 inches


1) what's the probability a height that is less than 66 inches.


2) What's the probability a height that is between 69 and 73 inches.


3) What's the probability a height that is more than 73 inches.


4) Is there any unusual events?

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