Jun and deron are applying for summer jobs at a local restaurant. after interviewing them, the restaurant owner says, "the probability that i hire jun is 0.7, and the probability that i hire deron is 0.4. the probability that i hire at least one of you is 0.9." what is the probability that both jun and deron get hired?

Question

Meggie

Mathematics

29 July, 13:08

Jun and deron are applying for summer jobs at a local restaurant. after interviewing them, the restaurant owner says, "the probability that i hire jun is 0.7, and the probability that i hire deron is 0.4. the probability that i hire at least one of you is 0.9." what is the probability that both jun and deron get hired?

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Lennon Oliver · Answer 1

As restaurant owner The probability of hiring Jun is 0.7 = > p (J) The probability of hiring Deron is 0.4 = > p (D) The probability of hiring at least one of you is 0.9 = > p (J or D) We have a probability equation: p (J or D) = p (J) + p (D) - p (J and D) = > 0.9 = 0.7 + 0.4 - p (J and D) p (J and D) = 1.1 - 0.9 = 0.2 So the probability that both Jun and Deron get hired is 0.2.