Homework Help: Ap Statistics

Posted by Nishi on Monday, February 16, 2009 at 5:53pm.

Two percent of the circuit boards manufactured by a particular company are defective. If circuit boards are randomly selected for testing, the probability that the number of circuit boards inspected until a defective board is found is greater than 10 is

(a)1.024 X 10^7
(b) 5.12 X 10^7
(c) 0.1829
(d) 0.8171
(e) None of these

please explain how

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