The number of ships to arrive at a harbor on any given day, Ask an Expert

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The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution for x is as follows. (Give your answer exactly.) x 24 25 26 27 28 P(x) 0.4 0.2 0.2 0.1 0.1

(a) Find the probability that exactly 27 ships arrive.

(b) Find the probability that at least 26 ships arrive.

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