Ms. Garcia wants to estimate how much time students spend on homework, on average, during a typical week. She wants to estimate at the 90% confidence level with a margin of error of at most 30 minutes. A pilot study indicated that the standard deviation of time spent on homework per week is about 154 minutes. What’s the minimum number of students you would need to survey?

Are children who act in rated ‘r’ movies allowed to see them? are eyebrows considered facial hair? at a movie theater which arm rest is yours? can a short person “talk down” to a taller person? can animals commit suicide? can you daydream at night? do bald people get dandruff? do coffins have lifetime guarantees? do dentists go to other dentists or do they just do it themselves? do prison buses have emergency exits? do sheep get static cling when they rub against one another? do stairs go up or down? do stuttering people stutter when they’re thinking to themselves? do they bury people with their braces on? do they have the word “dictionary” in the dictionary? do you yawn in your sleep? do your eyes change color when you die? how can something be “new” and “improved”? if it’s new, what was it improving on? how come only your fingers and toes get wrinkly in the shower and nothing else does? how come you never see a billboard being put up by the highway? how do you handcuff a one-armed man? how far east can you

Me im timed! gustavo is completing his homework online. when he uses a computer, what converts the information he inputs into instructions that the operating system understands? the keyboard the bios the cpu the application software

How does public opinion differ on foreign and domestic policy issues? how does this affect the policy- making process?