Given
The data,
To find:
The expected value.
Explanation:
It is given that,
That implies,
Expected value of the given data is,
[tex]\begin{gathered} EV=3\times0.1+4\times0.3+5\times0.3+6\times0.1+7\times0.2 \\ =0.3+1.2+1.5+0.6+1.4 \\ =5 \end{gathered}[/tex]
Hence, the expected value of the given data is 5.
