1.Given a sample of the following values, what is the variance and standard deviation? {15, 5,...

1.Given a sample of the following values, what is the variance and standard deviation? {15, 5, 14, 11, 5}

2.

Given the Contingency table below, calculate the probability that an individual drawn randomly would be Under 40 and wants a Smart Phone as a prize.

Table of Prize Choice by Age

		Chosen Device
		Smart Phone	Smart Watch	Totals
Ages	Under 40	30	80	110
	40 and Up	50	40	90
	Totals	80	120	200

Expert Solution

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orchestra answered 2 years ago

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