Question: 1. The average time it takes to complete a crossword puzzle is 20 minutes, with a standard deviation of 5 minutes. Assume that the

1. The average time it takes to complete a crossword puzzle is

1. The average time it takes to complete a crossword puzzle is 20 minutes, with a standard deviation of 5 minutes. Assume that the times are normally distributed. For the 15% who complete the puzzle the fastest, how much time do they take? A. 13.10 B. 14.06 C. 10.68 D. 11.29 E. 12.17 2. The hourly wage for employees at a call center is normally distributed with a mean of $17 and a standard deviation of $2.25. What is the probability that a randomly selected employee earns less than $12.50 per hour? A. 0.0116 B. 0.1281 C. 0.0265 D. 0.0872 E. 0.0345 3. The average time it takes a student to complete a quiz is 40 minutes, with a standard deviation of 10 minutes. Assume that the times are normally distributed. For the 20% who complete the quiz the fastest, how much time do they take? A. 32.14 B. 23.88 C. 30.09 D. 25.12 E. 28.41

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