Self-tutoring about the binomial distribution: the tutor mentions a couple of criteria for approximating it to the normal distribution. The binomial, given enough trials, settles into a normal distribution. Yet, how many trials, or what other conditions, might suggest this …

Statistics: the two “five” criteria Read more »

Tutoring statistics, rules of usage are key. The tutor shares one about when the normal approximation to the binomial distribution can be used. The binomial distribution imagines a series of n trials, each with probability p of success and q=(1-p) …

Statistics: When can you use the normal approximation to the binomial distribution? Read more »