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Let x be a random variable that possesses a binomial distribution with p=0.8 and n=15. Using the binomial formula or tables, calculate the following probabilities.

Let x be a random variable that possesses a binomial distribution with p=0.8 and n=15. Using the binomial formula or tables, calculate the following probabilities. Also calculate the mean and standard deviation of the distribution. Round solutions to four decimal places, if necessary. P(x12)= P(x12)= P(x=13)= = =

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