Probability TEST review

The number cube was rolled 50 times. How many times theoretically would you expect to see a 6?

• About 1

• About 6

• About 8

• About 10

Each of the letters in MATHEMATICS are on separate cards, face down on a table.  If you pick a card at random, and then another card without replacement what is the probability that both card will be a vowel? 

• 4/11
• 16/121
• 7/21
• 6/55

A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, followed by a queen? Assume he does NOT put the jack back. 
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)

• 1/13
• 4/663
• 4/13
• 1/104

A bag contains ten black bows, twenty white bows, and 5 grey bows. If Ms. Sedlock picks one without looking, what is the probability she chooses a black, white, and grey bow? Assume she puts the bow back each time. 

• 8/343
• 35/100
• 4/257
• 3/49

Mrs. Mullins is using a random number generator to call students. It uses the numbers 1-30. What is the probability that it will pick the number 8 two times in a row? 

• 8/100
• 1/15
• 1/900
• 1/8

You are thinking of a number between -10 and 10. What is the probability that two people choosing a number at random, will both choose a positive number? (Hint: The number zero counts in the total, so there are 21 total numbers here). 

• 1/10
• 1/4
• 1/2
• 100/441

Ms. Mullins is playing cards with her friend with a standard deck of 52 cards. She needs to draw an Ace. What is the probability that she does NOT get the ace? (Hint: There are 4 aces in a deck)

• 1/4
• 1/13
• 12/13
• 48/52

Tags

CCSS.7.SP.C.5

How many outfits can you make from a choice of 3 shirts, 2 pants and 4 pairs of shoes? 

• 9
• 10
• 32
• 24

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

A coach needs to choose two players from the baseball team to be captain and assistant captain. If there are 20 players on the team, how many ways can he assign the two roles?

• 100

• 190

• 380

• 450

A die is rolled then a letter in the word STATISTICS is randomly selected. What is the probability of at least a three, then the letter T?

• 1/5

• 3/20

• 1/4

• 29/30