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Unformatted text preview: 68 students ate breakfast and lunch 112 students ate breakfast and dinner 90 students ate lunch and dinner 58 students ate all three meals How many of the students ate (2 points) a. at least one meal in the cafeteria? #5a Answer: b. exactly one meal in the cafeteria? #5b Answer: c. only dinner in the cafeteria? #5c Answer: d. exactly two meals in the cafeteria? #5d Answer: 6. To gain access to his account, a customer using an automatic teller machine (ATM) must enter a four-digit code. If repetition of the same four digits is not allowed (for example, 5555), how many possible codes are there? #6 Answer: 7. An opinion poll was conducted by the Morris Polling Group. Respondents were classified according to their sex (M or F), political affiliation (D, I, R), and the region of the country in which they reside (NW, W, C, S, E, NE). How many possible classifications are there? #7 Answer:...
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