Question

Asked Feb 27, 2019

Step 1

Given Information :

Mean (µ) = $2000

Standard Deviation = $80

Let X be the random variable denoting the price of HD television.

a) The approximate percentage of buyers who paid between $2000 and $2160 can be calculates as shown ;

Step 2

b) The approximate percentage of buyers who paid between $1920 and $2080 can be calculates as shown ;

Step 3

c) The approximate percentage of buyers who paid between $...

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