35.LetAbe the event that there is at least one defect and let eventBbe that there is at mostthree defects.Which of the following statements is true?

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36.A gumball machine has five different colored gumballs: red, blue, white, green, andyellow.If you buy 3 gumballs, how many different combinations of colors could youbuy?

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THE NEXT FOUR QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:A student has access to professor evaluations.Overall, he has enjoyed 70% of all classes he hastaken.He finds that of the courses he has enjoyed, 13% were taught by professors with poorevaluations.84% of the courses he has taken were taught by professors with good evaluations.37.What is the probability that the class was taught by a professor with poor evaluations andthat the student enjoyed the class?

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38.What is the probability that the class was taught by a professor with good evaluations andthat the student enjoyed the class?B) =39.What is the probability that the student enjoyed the class given that it was taught by a

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professor with good evaluations?

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