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Assume that hitting oil at one drilling location is independent of another, and that, in a...

Assume that hitting oil at one drilling location is independent of another, and that, in a particular region, the probability of success at an individual location is 0.3. If the r.v. Y is the number of drillings until the first success occurs,

A. What is the probability that a driller will hit oil on or before the third drilling? B. Find the mean and standard deviation of Y.
C. Is it likely that Y will exceed10? Explain.

Math   Statistics-And-Probability   
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