Probability Review

There are 4 yellow, 2 green and 10 purple marbles in a hat. What is the probability of getting a green marble?

There are 34 red, 22 black, 17 white, and 25 blue legos in a box. If we take out a lego piece and then replace it. How many times can we expect to get a black lego if we select a lego 50 times?

• 22 times

• 12 times

• 11 times

• 98 times

The spinner is least likely going to land on which color?

• Blue

• Yellow

• Green

• Red

If we spin this spinner 42 times how many times can we expect to get a number less than 6?

• 25 times

• 6 times

• 12 times

• 30 times

What is the probability of selecting a prime number from the set {2, 3, 4, 5, 6, 7, 8, 9}?

What is the probability of drawing a red card from a standard deck of cards?

• 1/52

• 13/52

• 1/2

• 4/52

What is the probability of drawing a red card from a standard deck of 52 playing cards?

You play a game trying to get a bottle to flip either right side up or upside down. You are successful 13 out of the 50 times you tried. What is your experimental probability?

• 13

• 0.26

• 0.13

• 26

Which of the following is most likely to happen if another 200 people win prizes?

• They will likely win more $20 gift card than any other prize.

• They will likely win more $1 drink prizes than any other prize.

• They are least likely to get a $1 drink prize than any other prize.

• They are equally likely to win any of the prizes.

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4