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Probability with discrete random variables
A furniture factory makes a 4-piece desk. Quality control at the factory has randomly sampled numerous desk
sets and determined the number of damaged pieces in each set.
The table below is a partially completed probability distribution for the random variable X, where X represents
the number of damaged pieces in a randomly selected desk set from this factory.
X
0
1
2
3
4
P(X) 0.75
0.14
0.07
0.03
?
What is the probability that a randomly selected desk set contains exactly 4 damaged pieces?
P ( X = 4) =
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