Molly is baking for the Moms and Muffins event at her school. she will bake 4 batches of banana muffins. she needs 1-3/4 cups of bananas for each batch of muffins. PART A

Molly completed the mutiplication below and said she needed 8 cups of bananas for 4 batches of muffins. What is mollys error? Mutiplacation problem{4x 1-3/4=4x8/4=32/4=8}

PART B
what is the correct number of cups molly needs for 4 batches of muffins? explain your answer.

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