Tom is a big fan of movies, but as he re-examined his finances, he realized he spends way too much money going to the theater all the time. He plans to cut back by waiting for some of the movies to come out on Netflix instead. Tom wants to use this strategy to stick to a budget of no more than $80 for theater tickets. If each movie ticket costs $14.55, how many movies can Tom see in theaters while still sticking to his budget?

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.