Question 924538: A soda company want to stimulate sales in this economic climate by giving customers a chance to win a small prize for every bottle of soda they buy. There is a 20% chance that a customer will find a picture of a dancing banana ( ) at the bottom of the cap upon opening up a bottle of soda. The customer can then redeem that bottle cap with this picture for a small prize. Now, if I buy a 6-pack of soda, what is the probability that I will win something, i.e., at least win a single small prize?
Answer by ewatrrr(24785)   (Show Source):
You can put this solution on YOUR website! p = .20, n = 6
P(x ≥ 1) = 1 - p(none) = 1 - (.20)^6 = 1 - .000064 = .999936
In other words... basically a sure thing You will win at least one prize
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