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You are bidding on four items available on an online shopping site. You think that for each bid you have a 25% chance of winning

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You are bidding on four items available on an online shopping site. 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. Find the probabilities. a. Explain why the distribution of X can be modeled by the binomial distribution. b. Find the probability that you win exactly 2 bids. 0. Find the probability that you win 2 bids or fewer. cl. Find the probability that you win more than 2 bids. m

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