The produce manager at afarmer's market was interested in determining how many oranges a person buys when they buy oranges. He asked the cashiers over a weekend to count how many oranges a person bought when they bought oranges and record this number for analysis at a later time. The data is given below in the table. The random variable x represents the number of oranges purchased andP(x) represents the probability that a customer will buy x oranges. Determine the mean number of oranges purchased by a customer.

x

1

2

3

4

5

6

7

8

9

10

P(x)

0.05

0.19

0.20

0.25

0.12

0.10

0

0.08

0

0.01

A.

4

B.

3.97

C.

5.50

D.

3