Two semicircles are attached to the sides of a
rectangle as shown
What is the area of this figure?
Use 3.14 for pi.
Enter your answer in the box. Round only your
final answer to the nearest whole number

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