Of all the registered automobiles in Colorado, 5% fail the state emissions test. Eleven automobiles are selected at random to undergo an emissions test. What is the probability that fewer than 3 fail?
Added by Kelly S.
Step 1
A binomial probability is the probability of one of two outcomes (success or failure) in a certain number of trials (in this case, the number of cars tested). The formula for binomial probability is: P(X=k) = C(n, k) * (p^k) * ((1-p)^(n-k)) where: - P(X=k) is Show more…
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