Answer the question regarding the probability mass function described. A spinner marked off in five equal-sized regions, numbered 3, 4, 5, 6, 7, is spun twice. Let the random variable X be the sum of the numbers of the regions where the pointer stops, and define a probability mass function f(x) = P(X = x).(a) State the range of X.(b) Draw the probability distribution as a histogram.
A. (a) 6, 7, 8, 9, 10
(b)
B. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b)
C. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b)
D. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b)
Answer: D
Mathematics
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