Question: This is only multiple choice. Provide necessary solutions or explainations thank you. follow the numbering For numbers 13-14, refer to the probability distribution shown below.

This is only multiple choice. Provide necessary solutions or explainations thank you. follow the numbering

For numbers 13-14, refer to the probability distribution shown below. X O P(X) 13. What is the mean of the probability distribution? A. 4.0 B. 3.5 C. 2.0 D. 1.5 14. The variance of the given probability distribution is A. 8.0 B. 10.0 C. 12.0 D. 14.0 15. Which of the following statement is TRUE? A. The variance is the square root of the standard deviation. B. The variance and standard deviations describe the variability of the items in the distribution. C. The mean and variance describe the amount of spread of the items in the distribution. D. The mean of the probability distribution is the product of X2 and P(X)

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