If you’re good with permutations in math 30 help out with this easy question In how many ways can five boys and three girls sit in a row such that all boys sit together?

a) 4800

b) 5760

c) 2880

d) 1440

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.