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If a fair coin is tossed 6 times, what is the probability, to the nearest thousandth, of getting exactly 4 heads?

Sagot :

Answer: 11/32

Step-by-step explanation:

When 6 coins are tossed at a time; total number of possible outcomes = (2*2*2*2*2*2) = 2^6 = 64. Therefore, there are (15 + 6 + 1) = 22 possible outcomes leading us to get 4 or more heads. Therefore, probability of getting 4 or more heads = (22 / 64) = (11 / 32).