Acontainer is filled with 64l of orange juice, then 12l of juice is removed and the container is topped up with lemon juice. the juice is thoroughly mixed before 12l of the mixture is removed and the container is again topped up with lemon juice. what is the ratio of orange juice to lemon juice in the final mixture? write steps, : )

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