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Question

A coin is tossed 10 times. The probability of getting exactly six heads is

A
512513
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B
105512
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C
100153
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D
10C8
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Solution

The correct option is B 105512
If a coin a is tossed then the probability of getting head and getting tail is 12.

Now, if the coin is tossed 10 times then the probability of getting exactly 6 heads is,
10C6×(12)6×(12)4
=210210
=10529
=105512.

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