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A coin is tossed 5 times. Find the numbe...

A coin is tossed 5 times. Find the number of ways of getting 3 head and 2 tail.

Text Solution

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No. of ways of getting 3 heads in 3 throws out of 5 throws of a coin `= .^(5)C_(3) = 10`
No. of ways of getting 2 tails in remaining 2 throws of a coin `= .^(2)C_(2) = 1`
From multiplication theorem
Required ways `= 10 xx 1 = 10`
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