Saturday
October 25, 2014

Homework Help: STATS

Posted by Helen on Saturday, October 30, 2010 at 7:09pm.

Police records in the town of Saratoga show that 18 percent of the drivers stopped for speeding have invalid licenses. If 16 drivers are stopped for speeding

(a) Find the probability that none will have an invalid license. (Round your answer to 4 decimal places.)
P(X = 0) =

(b)Find the probability that exactly four will have an invalid license. (Round your answer to 4 decimal places.)
P(X = 4) =

(c)Find the probability that at least 5 will have invalid licenses. (Round your answer to 4 decimal places.)
P(X ≥ 5) =

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