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A coin is tossed 3 times by 2 persons. The prbability that both get equal number of heads, is

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A coin is tossed 3 times by 2 persons. The prbability that both get equal number of heads, is A. 3/8 B. 1/9 C. 5/16 D. none of these Select the correct answer from above options

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Correct Answer - C Required Probability =.3C0( 1 2 )3×.C_0( 1 2 )3+.3C1( 1 2 )3×.3C1( 1 2 )3+.3C2( 1 2 )3×.3C2( 1 2 )3+.C_3( 1 2 )3×.3C3( 1 2 )3=(1+9+9+1)× 1 8 × 1 8 = 5 16

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