Find the Mean of the Given Probability Distribution A)822
B)9
C)6

question 40

Multiple Choice

Find the mean of the given probability distribution.
-The number of golf balls ordered by customers of a pro shop has the following probability distribution. $$\begin{array} { r | r | r | r | r | r } \mathrm { x } & 3 & 6 & 9 & 12 & 15 \\\hline \mathrm { p } ( \mathrm { x } ) & 0.14 & 0.11 & 0.36 & 0.29 & 0.10\end{array}$$

• A)8.22
• B)9
• C)6.63
• D)9.3

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