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 22 23 24 25 26 P(x) 0.4 0.2 0.2 0.1 0.1 (a) Find the probability that exactly 26 ships arrive. (b) Find the probability that at least 24 ships arrive. (c) Find the probability that at most 23 ships arrive.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.