Question

The Canadian Automobile Association (CAA) reports that the average time it takes to respond to an emergency call is 25 minutes. Assume the response times are normally distributed with a standard deviation of 3.5 minutes.

Find the 15th percentile of response times, that is, the response time that cuts off the lowest 15%, and find the percentage of CAA emergency calls that take more than 30 minutes to respond to.

	21.4
	21.8
	22.2
	21.0

	0.924
	0.080
	0.920
	0.076

Answer 1

Above problem is solve using r software, output is attached below,

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