State the appropriate null and alternative hypotheses a) A new type of fertilizer is being tested on a plot of land in an orange grove, to see whether it increases the amount of fruit produced. The mean number of pounds (lbs) of fruit on this plot of land with the old fertilizer was 400 lbs.. Agriculture scientists believe that the new fertilizer may increase the yield. H0 : .U [Select] v Ha I ,U [ Select] v b) The mean caffeine content per cup of regular coffee served at a certain coffee shop is claimed to be different that the 100 mg originally advertised. H0 : M [ Select ] v Ha : u [Select ] v