7th Gr Math Mod 4 Topic 2 Quiz Review

What is the probability of selecting a “B” on the first spinner and a “Z” on the second spinner?

• 1/16

• 1/12

• 1/6

• 1/4

You want to determine the probability that on a 5-question true or false test, there will be more true answers than false answers. Which describes one trial of a simulation you could use to model this problem?

• Toss a coin 5 times and count the number of heads.

• Toss a 6-sided number cue 5 times and count the number of times you get a number less than 3.

• Generate 5 random numbers between 0 and 100 and count the number of prime numbers.

• Draw 5 cards at a random from a standard 52-card deck, replacing each card after it is drawn and count the number of hearts.

You spin the spinner twice and record the sum of the numbers you get.

What is the probability that the sum is 5?

• 1/3

• 1/9

• 2/9

• 0

Adeline sets her music player to randomly select songs from her collection. She has 9 country songs, 11 jazz songs, 3 rap songs, and 6 pop songs.

What is the probability that the next song is a rap song or a pop song?

• 9/29

• 12/29

• 14/29

• 15/29

Avery selects chips from a bag without looking at them. The bag has 5 green chips, 3 red chips, and 7 blue chips.

What is the probability that he selects a red or blue chip?

• 1/3

• 7/15

• 2/3

• 14/15

Mia tossed a penny, a nickel, and a dime. Which is a complete tree diagram for all possible outcomes, where H represents heads and T represents tails?

• 
• 
• 
• 

There are 4 male and 2 female puppies in the litter. You draw straws to determine which two puppies you will adopt.

Which simulation could be used to determine the probability that at least one of the puppies will be female?

• Tossing a coin two times

• Spin a spinner with 4 equal section two times

• Roll a six-sided number cube two times

• pikc a card from 10 cards two times

Rico spins the spinner twice and determines the product of the spins.

What is the probability that Rico will get a product of 20?

• 1/3

• 1/20

• 2/9

• 1/8

Blake has an archery bullseye average of 75%. He wants to determine how many shots he can expect it to take until he gets his next bullseye. Which describes one trial of a simulation for this situation?

• Generate random numbers 1 to 100 and see when the first time the number is 1 to 75 are generaeed

• Flip 75 coins one time.

• Spin a spinner two equal sections one one time eave.

• Toss a six-sided number cute 75 times

Marlee eats a peanut butter and jelly sandwich for lunch 75% of the time. What is the probability that Marlee eats a peanut butter and jelly sandwich for lunch five days in a row?

Which simulation tool could you use to determine the probability?

• A fair coin

• A spinner with four equal sections

• A bag with five different-colored marbles