Question: I need help with the following: assume the data set described is normally distributed with the given mean and standard deviation win n total values.

I need help with the following: assume the data set described is normally distributed with the given mean and standard deviation win n total values. find the approximate number of data values that will fall within the given range

mean = -15.7

standard deviation 1.7

n=120

range: -20.8 to -10.6

In this case we can expect about ??? data values to fall between -20.8 to -10.6

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