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Q If I toss a coin three times what is the modeled probability of throwing...

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Q If I toss a coin three times what is the modeled probability of throwing exactly two heads A To use the formula above we need to know n S and n E So S HHH HHT HTH HTT THH THT TTH TTT so n S 8 E Set of outcomes with two heads HHT HTH THH so n E 3 n E P E n S 8 2 Toss a coin three times Q The probability of rolling alternating heads and tails is Check Clear Hint P E Q The probability of rolling at least one tail is So P E 3 Q If I roll a pair of fair dice what is the probability of rolling a double both dice show the same number A Here we use the distinguishable dice model whose outcomes are equally likely seen above P E n S 36 E 1 1 2 2 3 3 4 4 5 5 6 6 n E n S 36 61 Check Clear Hint 6 4 Randomly choose a person from a class of 30 in which 10 have scarlet hair 5 have green hair 5 have blue hair and 10 have orange Q If E is the event that a randomly selected person in the class has orange hair then Line Clear

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