Question 5

A simple random sample of size 19 is drawn from a normal population whose standard deviation is o = 1.6. The sample mean is I - 27.5. a.) Construct a 92% confidence level for J. (Round answers to two decimal place. ) margin of error: lower limit: upper limit: Enter an integer or decimal number, accurate to at least 2 decimal places [more..] h b. ) If the population were not normally distributed, what conditions would need to be met? (Select all that apply.) the population needs to be normally distributed large enough sample size n the population needs to be uniformly distributed