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1. You roll 2 fair six-sided dice. Which of the following outcomes is most likely to occur on the next roll? a) Getting double 3.

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1. You roll 2 fair six-sided dice. Which of the following outcomes is most likely to occur on the next roll? a) Getting double 3. Obj Getting a 3 and a 4. O c) They are equally likely. 2. For any normal distribution, the mean, median, and mode will be equal. a) True b) False 3. Suppose that at your regular physical exam you test positive for a relatively rare disease. You will need to start taking medicine if you have the disease, so you ask your doc- tor about the accuracy of the test. It turns out that the test is 98% accurate. The probability that you have Disease X is therefore 0.98 and the probability that you do not have it is .02. Explain your answer. O a) True O b) False 4. A set of exam scores is normally distributed with a mean of 90 and a standard deviation of 12. These scores are converted to standard normal z-scores, What is the probability that a randomly selected score from this distribution will have a z-score greater than 2? O' b) 4 O d 16 Od) 84 5. In a normal distribution, 11.5% of scores are greater than Z = 1.2. ( a) True b) False

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