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Mathematics, 23.07.2019 01:40 comeonmanim

Suppose the monthly charges for cell phone plans are normally distributed with mean mu equals $ 63μ=$63 and standard deviation sigmaσequals=$1717. (a) draw a normal curve with the parameters labeled. (b) shade the region that represents the proportion of plans that charge lessless than $4646. (c) suppose the area under the normal curve to the leftleft of xequals=$4646 is 0.1587. provide an interpretation of this result.

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