Alexa is planning to drive across the United States in her car. She started making a table to represent the proportional relationship between gallons of gas an miles drivin. The table show how far she can travel for each gallon of gas that she uses what is the constant of proportionality?

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