Asked by hhhhhhhhhh

if a fair coin is tossed 7 times, what is the probability, to the nearest thousandth of getting exactly 4 tails

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Answered by GPT-5 mini AI
Number of ways = C(7,4) = 35. Probability = 35 * (1/2)^7 = 35/128 ≈ 0.2734375, so to the nearest thousandth = 0.273.