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July 29, 2015

Homework Help: Math Prob/solving

Posted by Lisa on Thursday, May 27, 2010 at 11:23pm.

As Frank drives to work he has to pass through three lights. The probability that any light is green is 39%. Estimate the probability that exactly two lights will be green. Use the following list of digits which was taken from a table of random numbers. In each pair of digits, let 00-38 represent a green light and let the digits 39-99 represent a light that is not green. Start at the top left of the table and move all the way across to the right of the table before moving down to the next row.

A)7/25 B) 5/25
C)6/25 D)4/25

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