(New page: As henry has mentioned this is a problem that is similar to the one discussed in class. First bar purchased = 1 coupon 1 = number of extra bars for a different coupon 1 is a geometr...) |
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| + | 1= 1 coupon | ||
| − | + | 2 = number of extra bars for a different coupon | |
| − | + | 2 is a geometric Random variable | |
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= # of extra bars after 2nd coupon to get 3rd coupon | = # of extra bars after 2nd coupon to get 3rd coupon | ||
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E[# needed]= | E[# needed]= | ||
| − | Retrieved from "http://kiwi.ecn.purdue.edu/ECE302Fall2008sanghavi/index.php/5.1_-_Henry_Michl | + | Retrieved from "http://kiwi.ecn.purdue.edu/ECE302Fall2008sanghavi/index.php/5.1_-_Henry_Michl |
Revision as of 18:11, 5 October 2008
As henry has mentioned this is a problem that is similar to the one discussed in class.
1= 1 coupon
2 = number of extra bars for a different coupon 2 is a geometric Random variable
= # of extra bars after 2nd coupon to get 3rd coupon
X3 is geom
X4 is geom
Xn is geom
Avg. # of coupons E[# needed]=
Retrieved from "http://kiwi.ecn.purdue.edu/ECE302Fall2008sanghavi/index.php/5.1_-_Henry_Michl
