Mathematics

5 July, 17:23

The probability distribution for the random variable x follows. x f (x) 21 0.23 25 0.11 30 0.28 37 0.38 is this a valid probability distribution? what is the probability that x = 30 (to 2 decimals) ? what is the probability that x is less than or equal to 25 (to 2 decimals) ?

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