question 21

Spring is here and Wendy the biologist is looking for blooming trees in the Ozark county. She believes that 60% of trees in the Ozark county start to bloom by the end of March. Her skeptical friend Ruth says that climate change has affected that and fewer trees actually start to bloom by March. Determine which of the following pairs of hypotheses is appropriate. Select one: O a. HO : p 0.6 O d. HO : p = 60 vs. Ha : p