Mrs. Adams teaches AP government and just gave a final for the course. what is the probability of randomly choosing a student who has earned an 80% or less?

Question

judygreeneyes · Answer

Is that all the information that is given in the problem?  No mean and standard deviation?  Does the problem assume a normal distribution?

jessicagutierrez4812fgerthurrt · Answer

it has a graph

judygreeneyes · Answer

Can you post a photo of the graph?  It probably has the information needed.  Or describe it - mean and standard deviation and shape of distribution...