SOLUTION: dangerous computer virus attacks a folder consisting of 250 files. Files are affected by the virus independently of one another. Each file is affected with the probability 0.032.

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Question 1049652: dangerous computer virus attacks a folder consisting of 250 files. Files are affected by the
virus independently of one another. Each file is affected with the probability 0.032. What
is the probability that more than 7 files are affected by this virus?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p = .032, n = 250
TI syntax is binomcdf(n, p, largest x-value) for binomial ≤ cumulative probability
P(x > 7) = 1 - binomcdf(250, .032, 7)