The probability distribution of X, the number of imperfections per 10 meters of a synthetic fabric in continuous rolls is given by
x0 1 2 3 4
(x) p 0.34 0.16 0.10 0.01
What is the probability that, for a randomly chosen 10 meter length of fabric, there are more than two imperfections?
a. 0.38
b. 0.06
c. 0.19
d. 0.11
e. 0.27
