You are bidding on three 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 three bids are independent events. Let X denote the number of winning bids out of the three 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 1 bid. c. Find the probability that you win 1 bid or fewer. d. Find the probability that you win more than 1 bid.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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You are bidding on
three
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
three
bids are independent events. Let X denote the number of winning bids out of the
three
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
1
bid.
c. Find the probability that you win
1
bid
or fewer.
d. Find the probability that you win more than
1
bid.
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