need fast and correct answer

A baseball player has a batting average of 0.30. Suppose that you observe successive at-bats of the player and note for each at-bat whether the player gets a hit. Presume that the assumption of Bernoulli trials is appropriate. What is the expected number of trials before the third hit? (Round to an appropriate integer) 9 10 0.9 30 @ Cannot be determined from the information provided