Question: Five hundred employees were selected from a citys large private companies, and they were asked whether or not they have any retirement benefits provided by

Five hundred employees were selected from a city€™s large private companies, and they were asked whether or not they have any retirement benefits provided by their companies. Based on this information, the following two-way classification table was prepared.

Suppose one employee is selected at random from these 500 employees. Find the following probabilities.
a. The probability of the union of events €œwoman€ and €œyes€
b. The probability of the union of events €œno€ and €œman€

Have Retirement Benefits No 75 50 Yes Men Women 150

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