Heads Minus Tails Distribution
A fair Coin is tossed 
times. Let 
be the absolute difference in the number ofheads and tails obtained. Then the probability distribution is given by
where
. The most probable value of 
is 
, and the expectation value is
See also Bernoulli Distribution, Coin, Coin Tossing
References
Handelsman, M. B. Solution to Problem 436, ``Distributing `Heads' Minus `Tails.''' College Math. J. 22, 444-446, 1991.
- Lagrange's Equation
- Lagrange's Four-Square Theorem
- Lagrange's Group Theorem
- Lagrange's Identity
- Lagrange's Interpolating Fundamental Polynomial
- Lagrange's Lemma
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- Lagrangian Coefficient
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- Laguerre Differential Equation
- Laguerre-Gauss Quadrature
- Laguerre Polynomial
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- Lakshmi Star
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- Lambda Calculus
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