The number of school related extracurricular activities per student are given
X p(x)
0 0.249
1 ?
2 0.235
3 0.147
4 0.113
5 0.108
6 0.084
7 0.053
Suppose that a week is randomly selected. Using the above table find
A. p(x=1) B. p(x>2) C. p(x<7) D. p(1<x<5)
note all symbols < or > means (less than or equal)
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