An experiment is run that is claimed to have a binomial distribution with p = 0.15 and n = 18

An experiment is run that is claimed to have a binomial distribution with = 0.15 and = 18 and the number of successes is recorded. The experiment is conducted 200 times with the following results:

Using a significance level of 0.01, is there sufficient evidence to conclude that the distribution is binomially distributed with = 0.15 and = 18?

13-6. Data collected from a hospital emergency room reflect the number of patients per day that visited the emergency room due to cardiac-related symptoms. It is believed that the distribution of the number of cardiac patients entering the emergency room per day over a two-month period has a Poisson distribution with a mean of 8 patients


Use a chi-square goodness-of-fit test to determine if the data come from a Poisson distribution with mean of 8. Test using a significance level of 0.01.

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