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Let's assume you are having a party and have stocked your refrigerator with beverages. You have 12 bottles of Coors beer, 24 bottles of Rainier beer, 24 bottles of Schlitz light beer, 12 bottles of Hamms beer, 2 bottles of Heineken dark beer and 6 bottles of Pepsi soda. You go to the refrigerator to get beverages for your friends. In answering the following questions assume you are randomly sampling without replacement.



Refer to Exhibit 8-2. What is the probability your first three bottles selected are Pepsi's?

Student Response Feedback
1. 0.00024   
2. 0.2250   
3. 0.00044   
4. 0.1875

Submitted: 145 days and 16 hours ago.
Category: Math
Value: $9
Status: CLOSED

Accepted Answer

Dear XXXXXXXXXXXXXXX,

Great question!

There are 12+24+24+12+2+6 = 80.

So the answer is: 6/80 * 5/79 * 4/78 =0.00024

So the answer is #1.

----

Let me know if you have questions!

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Expert: Greg
Pos. Feedback: 99.6 %
Accepts: 
Answered: 6/29/2009

Graduate Student

I teach math and statistics at a college level as a graduate teaching assistant

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