If the population mean is $420, what is the probability the null hypothesis will be rejected (using the rejection region you calculated above)? give your answer in the following format: 0.0450 (if it is 0.045) or 0.2345 (if it is for example 0. i. e. use 4 decimals for your answer.

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?