Approximately 54% of mathematics students do their homework on time. in a class of 250 students, what is the mean, variance, and standard deviations if we assume normally and use the normal distribution as on

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

This is different from the first one can someone me

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.