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Problem: A company that manufacture video cameras produce a basic model and deluxe model. 40% of cameras sold have been the basic model. of the basic model, 30% buy an extended warranty. 50% of all purchasers of the deluxe model buy an extended warranty.
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Question 1: What is the probability that a randomly selected purchaser bought a basic model and chose not to buy a warranty?
Question 2: What is the probability that a randomly selected purchaser bought an extended warranty?
Question 3: A randomly selected purchaser bought an extended warranty. Given that he bought an extended warranty, whats the probability that he bought the deluxe model?
According to "common knowledge", 50% of marriages end in divorce. You think this "common knowledge" is inaccurate. Which is the null hypothesis?
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Stores A, B, and C, have 50, 75, and 100 employees and respectively 50%, 60%, and 70% if these employees are women. Resignations are equally likely among all employees regardless of sex. One employee resigns and she is a woman. What is the probabi..
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