The mean number of hits by a baseball player per game is 158

The mean number of hits by a baseball player per game is 1.58 and the variance is 1.23. If the players plays in 5 games, then what is the expected number of hits by the player in the 5 games? Use the laws of expected value or laws of variance. Round your answer to two decimal places.

Solution

E(hits in 5 games) = 5*E(hit in 1 game) = 5*1.58 = 7.9