A random sample of 10 size AA batteries for toys yield a mean of 3.27 hours with standard deviation, 0.68 hours. (a) Find the critical value, t*, for a 99% CI. t* =
(b) Find the margin of error for a 99% CI.

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)