Auniversity has 29,970 students. in a random sample of 285 students, 19 speak three or more languages. predict the number of students at the university who speak three or more languages

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%