Martha invested $4000 into an account earning
compound interest for 54 months. Fernando
invested the same amount into an account
earning simple interest for the same length of
time. If both accounts paid at a rate of 3.5%, who
earned the most in interest, and how much more
did he/she earn?

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