Daily sales records for a computer manufacturing firm show that it will sell 0, 1, or 2 mainframe computer systems with probabilities as listed: Number of sales 1

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Daily sales records for a computer manufacturing
firm show that it will sell 0, 1, or 2 mainframe
computer systems with probabilities as listed:
Number of sales
0.
1
Probability
0.7
0.2
0.1
a. Find the probability distribution for X,
the number of sales in a two-day period,
assuming that sales are independent from
day to day.
b. Find the probability that at least one sale is
made in the two-day period.
Transcribed Image Text:Daily sales records for a computer manufacturing firm show that it will sell 0, 1, or 2 mainframe computer systems with probabilities as listed: Number of sales 0. 1 Probability 0.7 0.2 0.1 a. Find the probability distribution for X, the number of sales in a two-day period, assuming that sales are independent from day to day. b. Find the probability that at least one sale is made in the two-day period.
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