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The probability of event A in the random phenomenon is 0.72. Repeat the random phenomenon four times. Let's mark = Number of A in four

The probability of event A in the random phenomenon is 0.72. Repeat the random phenomenon four times. Let's mark = "Number of A in four repetitions". Determine the point probability and accumulation functions of the random variable X. Determine the probability P(1 < 3) using the accumulation function. Also determine the expected value and standard deviation of X.

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