A branch of a certain bank has six ATMS. Let X represent the number of machines in use at a particular time of day. The cdf of X is as follows: x < 0 0.07 osx< 1 0.25 1Sx< 2 0.40 2sx < 3 0.55 3 Sx < 4 0.80 4 sx < 5 0.96 5 3) (c) P(2 SXS 5) (d) P(2 < X < 5)

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