An accounting professor claims that no more than one quarter of undergraduate business students will major in accounting. What is the probability that in a random sample of 720 undergraduate business students, 170 or more will major in accounting? Use technology to find the probability, using 3 decimal places in your z-score. Give your answer to at least 4 decimal places. Don't forget the continuity correction

Please don't use excel formula

A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy.  Please round your answer to one decimal place

A recent survey showed that 17% of community college students experienced at least some homelessness during their first year at a community college. Surveys also show that 80% of community college students need to take English their first year at a CC. Based on these surveys what is the probability of first year CC students experiencing at least some homeless during their first year and taking an English class? Show the formula, the math plug-ins, and answer.