20% of visitors at the zoo buy a grape juice drink at the concession stands. Assuming a binomial distribution, 9 visitor
Posted: Wed May 11, 2022 8:15 am
20% of visitors at the zoo buy a grape juice drink at the concession stands. Assuming a binomial distribution, 9 visitors are selected at random, what is the probability at least one bought a grape juice drink? 0.9758 0.6980 0.8658 0.3020 0.1342