Beth makes sachets using dried flowers and herbs. Her special blend costs $10.25 per pound, combining dried lavender at $13.55 per pound and dried chamomile at $6.95 per pound. Beth is preparing a new batch of the blend and has measured out 3 pounds of lavender. How much chamomile should she add to complete her sachets?

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