For customers with a particular phone company, the amount that is paid monthly (in dollars) is...

For customers with a particular phone company, the amount that is paid monthly (in dollars) is normally distributed, with a mean of 83 and a standard deviation of 2.75.

Find the value k such that 80% of all customers pay less than k dollars per month. Select the closest to your answer.

options:

	85.5
	85.3
	85.2
	85.0
	85.4
	85.1

Solutions

Expert Solution

The value k such that 80% of all customers pay less than k dollars per month is 85.3.

Correct option: Option 2

orchestra answered 1 year ago

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