Pro Quiz

Jessica has 4 pink erasers, 2 blue erasers, 3 purple erasers, and 1 green eraser in a bag.  She will randomly select one eraser from the bag without looking.  What is the probability she will select a Purple eraser?

• 1/2

• 3/10

• 1/10

• 2/5

A baseball player wants to buy a new baseball bat.  He has saved $100.  He plans to add $25 to this amount every month for the next 6 months and not spend any of the money he saves until he can afford the baseball bat.  Which percentage is closest to the percent increase from the original amount of money he saved to the amount he will have at the end of the 6 months?

• 200%

• 50%

• 150%

• 100%

Lin is about to roll a standard number cube. Which statements are reasonable predictions for her rolling the number cube one time?  Select TWO correct answers.

• Lin is less likely to get an even number than an odd number

• Lin is less likely to get a composite number than a prime number.

• Lin is less likely to roll a number less than 3 than a number greater than 3.

• It is impossible to roll an odd number.

Mrs. Kurtz has a box containing 4 blue pens, 7 black pens, 9 red pens, and 5 yellow pens. If she picks one at random, what is the probability that she will NOT pick a blue pen?

• 21/25

• 16/25

• 18/25

• 4/5

Felix has a bucket of golf balls. The table shows the number of golf balls of each color in the bucket. Based on the information in the table, which statements are true? Select TWO correct answers

• The golf ball is more likely to be green than all other colors combined.

• The golf ball is equally likely to be pink, white, orange, or green.

• The golf ball is 2 times as likely to be orange as it is to be pink.

• The golf ball is 7 times as likely to be green as it is to be white.

• The golf ball has less than 50% chance to be green.

Kelly has a gumball machine with the following gumballs:

12 green gumballs

8 red gumballs

5 blue gumballs

If one gumball is picked, what is the probability that it will be a red or green gumball?

• 25%

• 40%

• 60%

• 80%

Jasmine randomly pulled a marble from a bag and then returned it during an experiment.  The results of the first 30 trials are shown

Based on the information in the table, in how many of the next 150 trials will Jasmine randomly pull a blue marble from the bag?

• 30

• 25

• 50

• 75

Gabriel has these cans of soup in his kitchen cabinet:

2 cans of tomato soup

3 cans of chicken soup

2 cans of cheese soup

2 cans of potato soup

1 can of beef soup

Gabriel will randomly choose one can of soup. Then he will put it back and randomly choose another can of soup. What is the probability that he will choose a can of tomato soup and then a can of cheese soup?

• 2/5

• 2/45

• 1/25

• 1/5

Oscar spins the spinner below 120 times. The spinner has five equally sized spaces. How many times can he predict the spinner to land on pink or green?

• 2 times

• 10 times

• 24 times

• 48 times

The arrow on each spinner will be spun one time.

Which of the following diagrams shows all the possible outcomes when each arrow is spun once?

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