12,13, and 14 please

Question 12 0/1 pt 9 10 99 0 Details A baseball player has a batting average of 0.31. What is the probability that he has exactly 6 hits in his next 7 at bats? Note: if you're a baseball fan, you'll know that we'd actually say this player has a batting average of 310, but this of course means 310/1000 The probability is Submit Question Question 13 0/1 pt 9 10 99 0 Details Assume that a procedure yields a binomial distribution with a trial repeated n = 12 times. Find the probability of x = 2 successes given the probability p = 0.23 of success on a single trial. (Report answer accurate to 4 decimal places.) P(2) = Submit Question Question 14 0/1 pt 9 10 99 @ Details Assume that a procedure yields a binomial distribution with a trial repeated n = 9 times. Find the probability of x = 3 successes given the probability p = 18 % of success on a single trial. (Report answer accurate to 4 decimal places.) P(3) = Submit