Mathematics, 02.01.2020 23:31 xid200313
The heights of students in a class are normally distributed with mean 55 inches and standard deviation 5 inches. use the empirical rule to determine the interval and contains the middle 68% of the heights.
a) [40,70]
b)[45,70]
c)[50,60]
d)[45,65]
e)[47,63]
d)none of the above
Answers: 3
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