A random number generator is set to generate single digits between 0 and 9. One hundred and fifty randomnumbers are generated. The probability distribution for this random number generator is given below. Whatis the mean of this distribution? $$\begin{array} { | c | c | c | c | c | c | c | c | c | c | c | }
\hline x & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \
\hline P ( x ) & 0.09 & 0.12 & 0.11 & 0.08 & 0.09 & 0.13 & 0.10 & 0.07 & 0.10 & 0.11 \
\hline
\end{array}$$
A) 4.5
B) 6.6
C) 5
D) 7

Question

A random number generator is set to generate single digits between 0 and 9. One hundred and fifty randomnumbers are generated. The probability distribution for this random number generator is given below. Whatis the mean of this distribution? $$\begin{array} { | c | c | c | c | c | c | c | c | c | c | c | } 
\hline x & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \
\hline P ( x ) & 0.09 & 0.12 & 0.11 & 0.08 & 0.09 & 0.13 & 0.10 & 0.07 & 0.10 & 0.11 \
\hline
\end{array}$$
A) 4.5
B) 6.6
C) 5
D) 7

Quizplus · Accepted Answer

Mean = 0(0.09) + 1(0.12) + 2(0.11) + 3(0.08) + 4(0.09) + 5(0.13) + 6(0.10) + 7(0.07) + 8(0.10) + 9(0.11) = 4.5

A Random Number Generator Is Set to Generate Single Digits