A number cube is rolled 48 times. What is the reasonable prediction for the number of times a 5 is rolled?

Fast phone couldn’t copy and paste so i decided to right it down

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%