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.
gr7_ch12_les4_files/i0040000.jpg

 

 3. 

Determine the probability that she will net all blue butterflies.

gr7_ch12_les4_files/i0050000.jpg

 

 4. 

Determine the probability that she will net all pink butterflies.

gr7_ch12_les4_files/i0060000.jpg

 
 
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.
gr7_ch12_les4_files/i0090000.jpg

 

 7. 

Determine the probability that he will grab 3 $100.00 bills.
gr7_ch12_les4_files/i0100000.jpg

 

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%
 



 
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