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
in Statistics Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

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.
by Top Rated User (717k points)

Related questions

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
84,493 questions
89,413 answers
8,094 users