Mathematics, 07.12.2019 05:31 djgunderson
Calculate the expected value, the variance, and the standard deviation of the given random variable x. (round all answers to two decimal places.) x is the number of red marbles that suzan has in her hand after she selects four marbles from a bag containing four red marbles and two green ones. expected value .67 incorrect: your answer is incorrect. variance .36 correct: your answer is correct. standard deviation
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