Given the following hypotheses: H0: μ = 480 H1: μ ≠ 480 A random sample of 14 observations is selected from a normal population. The sample mean was 488 and the sample standard deviation 8. Using the 0.10 significance level: State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.)

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585