6.40 More eBay bidding For each of the following situa- tions, explain whether the binomial distribution applies for X a. You are bidding on four items available on eBay. You think that you will win the first bid with probability 25% and the second through fourth bids with probability 30%. Let X denote the number of winning bids out of the four items you bid on. b. You are bidding on four items available on eBay. Each bid is for $70, and you think there is a 25% chance of winning a bid, with bids being independent events. Let X be the total amount of money you pay for your winning bids.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
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6.40
More eBay bidding For each of the following situa-
tions, explain whether the binomial distribution applies
for X
a. You are bidding on four items available on eBay. You
think that you will win the first bid with probability 25%
and the second through fourth bids with probability
30%. Let X denote the number of winning bids out of
the four items you bid on.
b. You are bidding on four items available on eBay.
Each bid is for $70, and you think there is a 25%
chance of winning a bid, with bids being independent
events. Let X be the total amount of money you pay
for your winning bids.
Transcribed Image Text:6.40 More eBay bidding For each of the following situa- tions, explain whether the binomial distribution applies for X a. You are bidding on four items available on eBay. You think that you will win the first bid with probability 25% and the second through fourth bids with probability 30%. Let X denote the number of winning bids out of the four items you bid on. b. You are bidding on four items available on eBay. Each bid is for $70, and you think there is a 25% chance of winning a bid, with bids being independent events. Let X be the total amount of money you pay for your winning bids.
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