Assume that random guesses are made for nine multiple choice questions on an sat test, so that there are nequals9 trials, each with probability of success (correct) given by pequals0.4. find the indicated probability for the number of correct answers. find the probability that the number x of correct answers is fewer than 4.

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

For what value of (y) is 3^3/3^y =1/9

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts