A group of 80 students in a collage are surveyed. They are asked which of Spanish or French they are studying.71of the students surveyed studies at least one of the two languages. a)Complete the Venn diagram.
b)How many students study only french?
c)How many students study Spanish?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

According to the data set, where should the upper quartile line of the box plot be placed?

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297