Question

A psychologist is interested in constructing a 95% confidence interval for the proportion of people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain. 73 of the 791 randomly selected people who were surveyed agreed with this theory.

a. With 95% confidence the proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain is betweenand .

b. If many groups of 791 randomly selected people are surveyed, then a different confidence interval would be produced from each group. About  percent of these confidence intervals will contain the true population proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain and about  percent will not contain the true population proportion.

Answer 1