Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We f...Question
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people.
(a) How many would you expect to be between 170 and 175 cm tall?
(b) How many would you expect to be taller than 179 cm
(a) How many would you expect to be between 170 and 175 cm tall?
(b) How many would you expect to be taller than 179 cm
Answers
Reiny
done here
http://www.jiskha.com/display.cgi?id=1356101668
http://www.jiskha.com/display.cgi?id=1356101668