Q10Short answerExercise 13.2
I toss three coins together. The possible outcomes are no heads, 1 head, 2 heads and 3 heads. So, I say that probability of no heads is . What is wrong with this conclusion?
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No, the outcomes are not equally likely. Outcome ‘no head’ means ‘TTT’; outcome 1 3 ‘one head’ means THT, HTT, TTH and so on. P (TTT) = , P (one head) = and 8 8 so on.