Identify square root of 3 as either rational or irrational, and approximate to the tenths place

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10