Question

Can someone please help me answer this question?

Answer 1

(c) 0.18

Explanation:

If the x-values are exhaustive, then the p(X=x) values must total 1.00.

Probability total

0.11 +? +0.62 +0.09 = 1.00

0.82 +? = 1.00 . . . . . . . simplify

? = 0.18 . . . . . . . . . subtract 0.82

P(X=3) = 0.18