Assume that random guesses are made for eight multiple choice questions on a SAT test so that there are n=8 trials, each with probability of success (correct) given by p=0.20
a) prob of number x of correct answers is exactly 7
b) prob of numer x correct answers is at 4
c) prob of number x correct answers is fewer than 3 d) prob of number x corrwct answers is no more than 2
e) prob of no correct answers