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8 coins are tossed simultaneously. The probability of getting at least 6 heads is

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8 coins are tossed simultaneously. The probability of getting at least 6 heads is

a. 7/64

b. 57/64

c. 37/256

d. 229/256 

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1 Answer

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Best answer

Correct option c. 37/256

Explanation:

Required probability

= (8C6 + 8C7 + 8C8) (1/2)8

= (28 + 8 + 1) x 1/256 = 37/256

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