Heights of 20 years old Heights of 20 years
Heights of 20 years old – Heights of 20 years old men vary approximately according to a Normal distribution with Mean u = 176.9cm and standard deviation = 7.1cm.
1-What percentage of US men are at least 6 feet tall? (sex feet=183cm)
2-Heights of 20 year old women vary approximately according to a normal distribution with Mean u=163.3cm and standard deviation= 6.5cm.
3-What percentage US women are at least 6 feet tall? -Why does a 6 foot tall woman appear unusually tall while a 6 foot tall men is barely out of the ordinary?

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