Select all situations where a binomial distribution is a reasonable probability model for the random variable x.
a quarter is flipped 3 times to see how many times tails comes up on the coin.
a spinner that has one 10, one 20, one 30, and one 40 is spun 4 times to see how many times a 20 is spun.
a number cube that has 1 on 2 sides, 2 on 2 sides, and 3 on 2 sides is rolled 4 times to see how many times 3 is rolled.
three marbles are pulled from a bag of 10 green and 10 blue marbles without replacing to see how many times a green marble is pulled.
really could use the