4.

Survey Results

	Contribution	do not contribute	Total
Male	126	124	250
Female	158	92	250
Total	284	216	500

The accompanying table shows the results of a survey in which

250

male and

250

female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below.

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Part 1

(a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male.

The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is

enter your response here.

(Round to three decimal places as needed.)