a gambler bets on number 8, there is a 1/38 chance of winning, the gambler bets on number 8 seventy times. what are the values for n,p,q? Find the mean, standard deviati

a gambler bets on number 8, there is a 1/38 chance of winning, the gambler bets on number 8 seventy times. what are the values for n,p,q? Find the mean, standard deviation. the rulette is american
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n=70, p=1/38, q=1-p=37/38

This is a binomial distribution with mean np=35/19=1.84 approx.

Variance is npq=1295/722

Standard deviation is square root of variance=1.34 approx.
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