Assume that a procedure yields a binomial distribution with 1210 trials and the probability of success for one trial is p = 75%. n = : Find the mean for this binomial distribution. (Round answer to one decimal place.) μ = Find the standard deviation for this distribution. (Round answer to two decimal places.) Use the range rule of thumb to find the minimum usual value μ-20 and the maximum usual value μ+20. Enter answer as an interval using square-brackets only with whole numbers. usual values =

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