Maharashtra State BoardHSC Commerce 11th
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In a bag, there are three balls; one black, one red, and one green. Two balls are drawn one after another with replacement. State sample space and n(S). - Mathematics and Statistics

Sum

In a bag, there are three balls; one black, one red, and one green. Two balls are drawn one after another with replacement. State sample space and n(S).

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Solution

The bag contains three balls out of which one is black (B), one is red (R) and the other one is green (G).
Two balls are drawn one after the other, with replacement, from the bag.
∴ the sample space S is given by
S = {BB, BR, BG, RR, RB, RG, GG, GB, GR}
∴ n(S) = 9

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