netflix would like to estimate the proportion of their current subscribers who would pay extra for a premium membership including access to more movies and tv shows. to do this, they plan to calculate a 95% confidence interval to estimate the proportion. they would like a margin of error of .05. how many subscribers must they sample to obtain this interval?

Perry angelo is planning to open a restaurant. he has the resources to produce and sell either hamburgers or pizzas. so he does some research and finds that the new location has a good demand for pizza. he hires cooks, wait staff, and an accounts person for his new pizzeria. he also arranges for materials such as pizza ingredients and pizza boxes. determine three factors affecting perry's cost of making pizza. write down the name of the factors and their instances in this scenario.