The random variable X, representing the number of cherries in a cherry puff, has the following...
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The random variable X, representing the number of cherries in a cherry puff, has the following probability distribution: X 4 7 f(x) 0.2 0.4 0.3 0.1 а. Find the mean and the variance of X. b. (b) Find the mean and the variance of the mean X for random samples of 36 cherry puffs. c. Find the standard error. d. Find the probability that the average number of cherries in 36 cherry puffs will be less than 5.5. The random variable X, representing the number of cherries in a cherry puff, has the following probability distribution: X 4 7 f(x) 0.2 0.4 0.3 0.1 а. Find the mean and the variance of X. b. (b) Find the mean and the variance of the mean X for random samples of 36 cherry puffs. c. Find the standard error. d. Find the probability that the average number of cherries in 36 cherry puffs will be less than 5.5.
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