Probability Review CIS #1

What is the probability that I choose a part that is from supplier A and is defective?

• .007

• .010

• .004

• .105

Tags

CCSS.HSS.CP.B.8

A bag contains 3 purple, 1 blue, and 1 yellow marble. A child pulls out two marbles without replacing them. What is the probability that the first marble is blue and the second marble that is purple. 

• 1/25

• 3/25

• 3/20
• 1/20

How many license plates consisting of three letters followed by three numbers are possible when no repetition is allowed?

• 26 x 25 x 24 x 10 x 9 x 8 = 11232000

• 26 x 26 x 26 x 10 x 10 x 10 = 17576000

• 26 x 25 x 24 x 9 x 8 x 7 = 7862400

• 26 x 26 x 26 x 9 x 9 x 9 = 12812904

Tags

CCSS.HSS.CP.B.9

Cate's history quiz has 3 true/false questions. How many ways could she complete the quiz?

• 2

• 3

• 8

• None of the these

A disc jockey has to choose three songs for the last few minutes of his evening show.  If there are nine songs that he feels are appropriate for that time slot, then how many ways can he choose and arrange to play three of those nine songs?

• 84
• 504
• 9!
• 3!

Tags

CCSS.HSS.CP.B.9

An election ballot asks voters to select three city commissioners from a group of six candidates.  In how many ways can this be done?

• 6!
• 120
• 20
• 3!

The ski club with ten members is to choose three officers for captain, co-captain and secretary.  How many ways can those offices be filled?

• 720
• 120
• 10!

What is the probability that a student does not play on a sports team? 

• .5
• .45
• .55

A new credit card has been issued to 2000 customers. Of these customers, 1500 hold a Visa, 500 hold an AA card, and 40 hold a Visa and AA card. Find the probability that a random chosen customer holds a Visa and AA card, given they hold a Visa. 

• .0267
• 37.5
• .02
• .3333

What is the probability that they speak French given they are a girl? 

• 2.14
• .24
• .4
• .8571