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

You might also like to view...

Show that the function has exactly one zero in the given interval.f(x) = x3 +  + 1, (-?, 0).

What will be an ideal response?

Mathematics

Evaluate the determinant by inspection.

A. 0 B. -420 C. -8 D. -20

Mathematics

Solve the inequality. Express your answer using interval notation.0 ?  < 3

A.

B.

C.

D.

Mathematics

Write the expression in exponent form.(5)(5)(8)(8)(8)(8)

A. (25)(48) B. (52)(84) C. 406 D. (5)(86)

Mathematics