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Please explain how to do the bottom portion on how to solve it Let x be the number of potential weapons detected by a metal

Please explain how to do the bottom portion on how to solve it

Let x be the number of potential weapons detected by a metal detector at an airport on a given day. The following table lists the probability distribution of x. x 0 1 12 3 4 5 P(x) 0.14 0.13 0.19 0.25 0.14 0.15 Calculate the mean and standard deviation for this probability distribution. Round your answers to three decimal places. mean = i 1.59 standard deviation = i

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