Question

Calculate the expected value E(X) of the given random variable X.

Forty-five darts are thrown at a dartboard. The probability of hitting a bull's-eye is .2. Let X be the number of bull's-eyes hit.

E(X) = _________

Answer 1

Answer:

E(X) = 9.

Step-by-step explanation:

That is 45 * (0.2) = 9.