6.39 Bidding on eBay You are bidding on four items available on eBay. You think that for...
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6.39 Bidding on eBay You are bidding on four items available on eBay. You think that for each bid, you have a 25%
chance of winning it, and the outcomes of the four bids are independent events. Let X denote the number of winning bids out of the four items you bid on.
a. Explain why the distribution of X can be modeled by the binomial distribution.
b. Find the probability that you win exactly 2 bids.
c. Find the probability that you win 2 bids or fewer.
d. Find the probability that you win more than 2 bids.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9781292164878
4th Global Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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