Monthly charges for cell phone plans in the United States are normally distributed with mean =
Question:
(a) Draw a normal curve with the parameters labeled.
(b) Shade the region that represents the proportion of plans that charge less than $44.
(c) Suppose the area under the normal curve to the left of x = +44 is 0.1587. Provide two interpretations of this result.
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a b c Interpretation 1 1587 of the cell phone pla...View the full answer
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