Statistics probability question?

Statistics probability question?



John applied to Yale and Harvard. The probability that Yale will admit him is 0.5, the probability that Harvard will admit him is .6, and the probability that both will admit him is 0.3

a. what is the probability that neither university will admit John
b. What is that probability that Yale admits John given that Harvard also admits him
c. are the events yale admits john and harvard admits john independent or not. Why





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