An oil company estimates that only 1 well in 15 will yield commercial quantities of oil....
An oil company estimates that only 1 well in 15 will yield commercial quantities of oil. Assume that successful drilled wells represent independent events. If 11 wells are drilled, find the probability of obtaining a commercially successful well for the following number of times: exactly 2
(Round your answer to six decimal places.)
Homework Answers
The probability distribution of number of wells yielding commercial quantities of oil follows binomial distribution.
P(a well will yield commercial quantities of oil), p = 1/15
P(a well will not yield commercial quantities of oil), q = 1 - 1/15 = 14/15
Number of wells drilled, n = 11
P(X) = nCx px qn-x
P(exactly 2 well out of 15 yielding commercially successful quantities of oil) = P(2)
= 11C2 x (1/15)2 x (14/15)9
= 0.131375
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An oil company estimates that only 1 well in
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An oil company estimates that only 1 well in 15 will yield commercial quantities of oil. Assume that successful drilled wells represent independent events. If 11 wells are drilled, find the probability of obtaining a commercially successful well for the following number of times (Round your answer to six decimal places.) :exactly 2
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