A shop owner of a small shop orders 5 magazines from a press every week to sell in his shop. Let X be the number of magazines that the owner sells during a certain week. Suppose X has a pmf p(x) as follows:
1
0
X
4.
3
2
3
5
2
15
4.
2
15
1
15
p(x)
15
15
15
Calculate the probability that the owner sells at least 3 magazines in a certain week.
O A. 9
15
OB. 10
15
O c. 9
15
OD. 4
15
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