Unit 6 Review

A standard die is rolled twice. Find each probability.

P (odd both times)

• 1/2

• 1/4

• 2/3

• 1/6

A standard die is rolled twice. Find each probability.

P (both perfect squares)

• 1/2

• 1/5

• 5/6

• 1/9

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? 

• 9/16

• 1/4

• 2/3

• 1/6

What is the probability of rolling an even number with a standard six-sided die?

Tags

CCSS.7.SP.C.5

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?

• 1/3

• 1/1000

• 3/100

• 1/9

A fruit basket contains
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears? 

• 1/25

• 1/30

• 1/4

• 1/9

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? HINT: You can not have the same person twice in a duet 

• 5/85

• 1/30

• 1/2

• 1/6

Jacob's piggy bank has 18 quarters, 20 dimes, 24 nickels, and 43 pennies. He chooses a coin, does not replace it, then chooses another. What is the probability that he chose a dime then a nickel?

• 10/21

• 1/100

• 4/91

• 4/5

A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of  drawing a blue piece of candy?

• 3/4

• 1/2

• 1/4

• 1/10

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is picked and is not replaced. Find the probability of drawing a blue marble and then a purple marble. 

• 3/20

• 1/3

• 1

• 1/50