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Variance of one fair coin flip

Source: R/CoinVar.R
CoinVar.Rd

Heads = 1, Tails = 0: mean 1/2, variance 1/4.

Usage

CoinVar()

Value

list(variance, mean).

References

Morin, D. J. (2016). Probability: For the Enthusiastic Beginner. Createspace. Eq (3.21).

Examples

CoinVar()$variance
#> [1] 0.25