Question

xP(x)00.1510.320.330.25Find the mean of this probability distribution. Round your answer to one decimal place.

Answer 1

The mean of a probability distribution can be found by applying the formula:

`\mu=\sum_^x\cdot P(x)`

By replacing the given values, we obtain:

`\begin{gathered} \mu=0*0.15+1*0.3+2*0.3+3*0.25 \\ \mu=0+0.3+0.6+0.75 \\ \mu=1.65\approx1.7 \end{gathered}`

The answer is 1.7