Probability of Drawing Colored Chips from an Urn
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An urn contains 8 red chips, 10 green chips, and 2 white chips. A chip is drawn and replaced, and then a second chip is drawn. What is the probability of:
a. A white chip on the first draw?
b. A white chip on the first draw and a red on the second?
c. Two green chips being drawn?
d. A red chip on the second draw, given that a white chip was drawn on the first?
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Solution Summary
This solution looks at the probability of drawing colored chips from an urn.
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Total number of chips = 8 + 10 + 2 = 20.
A.
Probability = 2/20 = 0.10.
B.
Probability = [2/20] * [8/20] ...
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