The femur is the upper leg bone, and the tibia is one of the lower leg bones. The average length of the fumer is 50.5 cm, and the average length of the tibia is 43.03 cm. Estimate the total length of the leg if the bones were placed end to end

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