The average annual premium for automobile insurance in the United States is $1565. A representative sample of annual premiums for the state of Michigan is contained in the Excel Online file below. Assume the population is approximately normal. Construct a spreadsheet to answer the following questions. Open spreadsheet a. Provide a point estimate of the mean annual automobile insurance premium in Michigan. $ (to the nearest dollar) b. Develop a 95% confidence interval for the mean annual automobile insurance premium in Michigan. ($ , $ ) (to the nearest cent) c. Does the 95% confidence interval for the annual automobile insurance premium in Michigan include the national average for the United States

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

answer: none of these answers are correct only the second half is

step-by-step explanation: