Exam (elaborations)
CHSPE MATH PRACTICE
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If Morgan tosses a fair coin 4 times, what is the probability that he will get exactly two heads and two tails? Correct Answer- 1. 2 x 2 x 2 x 2 = 16 possibilities. 2. Make a systematic listing : HHTT HTHT TTHH THTH THHT HTTH 3. There are 6 outcomes with 2H and 2T, so 6/16 = 3/8
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