probability Yolanda is taking Calculus and Biology. Student records indicate that the probability of passing Calculus is 0.55, that of failing Biology is 0.6 and that of passing at least one of the classes is 0.8. Find the probability of the following Make a Venn diagram of the information provided. Yolanda will pass Biology. Yolanda will fail both classes She will pass exactly one of the classes Solution.