36% of the parking spots in a parking lot are empty. There are 90 empty spots in the parking lot. How many cars can park in the lot when it is full?

The seasonal output of a new experimental strain of pepper plants was carefully weighed. the mean weight per plant is 15.0 pounds, and the standard deviation of the normally distributed weights is 1.75 pounds. of the 200 plants in the experiment, how many produced peppers weighing between 13 and 16 pounds