Question 13 A professor would like to use a 97% confidence interval to estimate the mean amount of time IRSC students spend studying each week. The professor knows that distribution of time spent studying each week by IRSC students is normally distributed with a standard deviation of 10. 1 hours. How large a sample should the professor select to ensure the confidence interval has a width of no more than 4.76 hours. Round the solution up to the nearest whole number. n Question Help: Video Submit Question PL protists fungi hel...pptx PL protists fungi hel...pptx