Name:    Try It Out -- Chapter 12, Lesson 4

Numeric Response

Dena has a butterfly farm. She has blue and pink butterflies. She sells the butterflies 4 for \$15.00. She randomly selects the butterflies from a large enclosure.

1.

How many different combinations are possible?

2.

Determine the probability that she will net one blue and 3 pink butterflies.

3.

Determine the probability that she will net all blue butterflies.

4.

Determine the probability that she will net all pink butterflies.

Joseph enters the money scramble booth to grab some bills. There are \$50.00 and \$100.00 blowing around in the booth. He grabs 3 bills, one bill at a time.

5.

How many different possible combinations of bills can he grab in the booth?

6.

Determine the probability that he will grab at least 2 \$100.00 bills.

7.

Determine the probability that he will grab 3 \$100.00 bills.

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question. Round to the nearest percent where necessary.

Carson has a bag with three types of nuts - walnuts, cashews, and almonds. He takes 3 nuts from the bag one at a time.

8.

Determine the probability he will grab at least one cashew?
 a. 70% b. 80% c. 60%

9.

Determine the probability he will grab at least two walnuts?
 a. 33% b. 26% c. 47%

10.

Determine the probability he will grab three almonds?
 a. 4% b. 1% c. 10%