Question: A discrete random variable, X, takes on the values 5, 115, 625, and 4,500, with probabilities 5.?0, 0.15, 0.10, 0.05, respectively. Use the statistical capacity

A discrete random variable, X, takes on the values 5, 115, 625, and 4,500, with probabilities 5.?0, 0.15, 0.10, 0.05, respectively. Use the statistical capacity of your calculator to find the standard deviation of the random variable, X, rounded to two decimal places. Note that this is a probability distribution. Given thatXis normally distributed with p = 304.6 and 0 =13.2, nd the probability thatXis less than 320.4: given that we know that X is larger than 288.4. State your answer rounded to 3 places of decimal

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