A professor at a local community college noted that the grades of his students were normally distributed with a mean of 74 and a standard deviation of 10. Students who made 55 or lower on the exam failed the course. What percent of students failed the course?

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?