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how do you find the mean of a random variable?
a gambler bets 10 dollars on red on a roulette wheel that have 18 red, 18 black, and 2 green slots. Whats his expected return?
how do you find the standard deviation of a random variable?
a gambler bets 10 dollars on a specific roulette number. he gets 350 if he wins with an average loss of 52.6 cents a bet. What is the standard deviation?
what is the probability you will fall into the middle section of a bell curve?
What is a Bernoulli experiment?
how do you find the probability of the outcomes for a Bernoulli experiment
what is the mean of a bernoulli experiment? the sigma?
what is a binomial experiment?
what do x and n-x equal in a binomial experiment?
How do you find the probability of x in a binomial experiment?
What are the Bernoulli random variables represented as? How do they appear on a number line?
when you see n over x in brackets, what does it mean?
Suppose that revenue Canada reports that 8% of all tax returns contain errors. An experiment consists of checking errors in a random sample of 10 tax returns. Find the probability that the sample contains exactly one error
at most one error?
at least one error?
