Practicing Success
A random variable x has the following probability distribution.
In the above table, $P[x-1\, or \, x=4]$ is equal to : |
0.05 0.01 0.1 0.5 |
0.1 |
The correct answer is Option (3) → 0.1 $∑P(X)=1⇒α+β+0.9=1$ $⇒α+β=0.1$ so P(X=1 or X=4) = α + β = 0.1 |