(a) (b) the probability that tails will show up 9 times when this coin is tossed 12 times; the probability that heads will show up 8 times when the coin is tossed 12 times.

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Chapter1: Combinatorial Analysis
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3. When a defective coin is tossed, there is a 55% chance that tails will show up. Find:
(a) the probability that tails will show up 9 times when this coin is tossed 12 times;
(b) the probability that heads will show up 8 times when the coin is tossed 12 times.
Transcribed Image Text:3. When a defective coin is tossed, there is a 55% chance that tails will show up. Find: (a) the probability that tails will show up 9 times when this coin is tossed 12 times; (b) the probability that heads will show up 8 times when the coin is tossed 12 times.
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