Is 3.333333 rational?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.