Probability

Front

A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange?

Back

9/16

Front

Probability of drawing a green marble, putting it aside, and then drawing another green marble from a bag of 17 marbles (4 blue, 6 green, 2 red, others yellow).

Back

15/136

Front

Probability of NOT spinning red, then spinning red in Tony's game (Red: 1/8, Yellow: 3/8)

Back

7/64

Front

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll?

Back

1/9

Front

Ricardo has a spinner and a bag of marbles (2 red, 3 green, 3 blue). What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag? Options: 1 ⁄ 16, 1 ⁄ 2, 1 ⁄ 4, 1 ⁄ 8

Back

1 ⁄ 16

Front

Lucy spins a spinner twice. Probability of landing on blue first and then on yellow or green?

Back

1 ⁄ 8

Front

Probability of drawing a red marble, putting it aside, and then drawing a green marble from a bag of 17 marbles (4 blue, 6 green, 2 red, others yellow).

Back

3/68

Front

Jamie has 3 raffle tickets. One hundred tickets were sold. Her name was not drawn for the first prize. What is the probability that her name will be drawn for the second prize?

Back

1/33

Front

Probability of rolling an even number three times in a row with a six-sided die?

Back

1/8

Front

A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys?

Back

1/6