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February 8th, 2009, 09:00 AM   #1
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statistics

A bag contains 5 red and 3 white balls. Balls are drawn at random; WR means with replacement, WOR means without replacement. Fill in the four columns below.

2 balls drawn 3 balls drawn

WR WOR WR WOR

(statistics) Pr(none are white)
ans)
(statistics) Pr(exactly one is white)
ans)
r (statistics)(exactly two are white)
ans)
r (statistics)(exactly three are white)
ans)
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