Teresa wants to save money to purchase a car. She buys an annuity with monthly payments that earn 2.5% interest, compounded monthly. Payments will be made at the end of each month. Find the total value of the annuity in 3 years if each monthly payment is $509. =$___

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables