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find the mean, variance, and standard deviation of the probability distribution, and interpret the results of the number of school related activities per student activities

find the mean, variance, and standard deviation of the probability distribution, and interpret the results of the number of school related activities per student

activities 0 1 2 3 4 5 6 7

probability 0.059 0.122 0.163 0.178 0.213 0128 0.084 0.053

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