Probability Test Review

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.7B

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Tags

CCSS.7.SP.C.7A

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.HSS.CP.A.5

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

You spin this spinner 3 times.
Find the probability of these 3 events.
P(red, odd, 3)

• 1/216
• 1/72
• 1/36
• 1/12

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without replacing, what is the probability that you pick red then blue?

• 4/22

• 1/2
• 1/3
• 1/6

Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the ball he randomly chooses will be red?

• 1/2
• 1/5
• 1/10
• 5/8

Tags

CCSS.7.SP.C.7B

A spinner is spun and the results are shown in the chart. 
Which of the following statements is true about the probability of spinning a blue?

• The experimental probability and theoretical probability are equal.
• The experimental probability is less than the theoretical probability.
• The experimental probability is greater than the theoretical probability.
• The experimental probability cannot be determined from the data.

An ice cream parlor has six different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?

• 24
• 48
• 6
• 12

When calculating experimental probability, as more trials are conducted, the experimental probability generally gets closer to the theoretical probability.  

• True
• False