Tricky Problems with Probability

A couple plans to have three children. What is the probability that they have exactly two girls?

• 1/4

• 1/8

• 3/8

• 1/2

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

A couple plans to have three children. What is the probability that they have at least one girl?

• 1/8

• 7/8

• 1/4

• 1/2

• 1/3

A couple plans to have three children. What is the probability that they have a girl first, followed by 2 boys?

• 3/8

• 1/4

• 1/8

• 1/3

• 1/2

There are 6 students that need to pair up to work together on an assignment. How many different ways can they pair up?

• 6

• 12

• 36

• 3

• 15

4 kids are running in a race. How many different ways can they finish 1st, 2nd, and 3rd?

• 4 ways

• 12 ways

• 24 ways

• 64 ways

• 8 ways

5 books are being arranged on a shelf. How many different ways can you arrange the books?

(a)