Suppose we define a random variable, X, to be the number of dots on the upturned face of a randomly tossed fair die.We take 40 observations of X and calculate the sample mean. What is the probability of observing a sample mean of more than 4? A. 0.032 B. 0.861 O C. 0.139 O D. 0.968 Е. О.385

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