3. McKenzie has enough paint to paint 108 square feet. She wants to paint 10 her garage door, which has aheight of 12 feet. The garage door is in the
shape of a rectangle. If McKenzie has just enough paint to cover the
garage door, what is the width of the door? *
Your answer

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