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1 October, 08:25

A certain company has 255 employees. If an employee is to be selected at random from the company's employees, is the the probability less than 1/2 that the employee selected will be a woman who has a college degree?

(1) 130 of the company's employees do not have a college degree

(2) 125 of the company's employees are men

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  1. 1 October, 11:58
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    a) 125 < 128

    b) The maximum probability that all 130 women are with college degree is 130 < 128 (this is not possible)

    The minimum probability that none of the 130 women are college holders = 0 < 128 (this is possible)

    Step-by-step explanation:

    Total number of employees = 255

    If the probability is less than 1/2 that the employee selected will be a woman who has college degree, we have

    Women with college degree < 255/2

    < 128

    a) if 130 of the company employee do not have college degree, we consider that all the college degree holders are women.

    The women with college degree = 255 - 130

    = 125

    Therefore; 125 < 128 (this is possible)

    b) If 125 of the company employees are men, the number of women = 250 - 125

    = 130 women

    The maximum probability that all 130 women are with college degree is 130 < 128 (this is not possible)

    The minimum probability that none of the 130 women are college holders = 0 < 128 (this is possible)
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