math

an urn contains 40 red chips and sixty white chips. six chips are drawn out and discarded, and a seventh is drawn. what is the probability that the seventh chip is red?

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  1. case 1: all 6 are red. P(red) = 34/94
    case 2: 5 reds and 1 blue were drawn. P(red) = 35/94
    ...
    case 7: all 6 are blue: P(red) = 40/94
    so, what do you think?

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