(P4.91)- Drilling Oil Wells Past experience has shown that, on the average, only 1 in 10 wells drilled hits oil. Let x be the number of drillings until the first success (oil is struck). Assume that the drillings represent independent events.
a. Find p(1), p(2), and p(3).
b. Give a formula for p(x).
c. Graph p(x).
|
