1. For a continuous probability distribution, the total area under the curve is equal to 2. Which of the following is NOT a characteristic of the normal distribution? (bell-shaped, symmetrical, discrete, asymptotic - pick one) 3. How many normal distributions are there? (1, 10, 30, infinite - pick one) 4. The signed difference between a selected value and the mean divided by the standard deviation is called a 5. What is the probability of a z value between -2.03 and 1.76? 6. What is the probability of a z value between -0.76 and 0? 7. What is the probability of a z value between -1.86 and -1.43? Circle the best answer for each of the following: (1 points each) 8. Ella refuses to tell you her weight in her ninth month of pregnancy. However, she does tell you that her weight is above the mean. Which of the following z-scores is possible for her weight? A. -0.08 B. 1.43 C. O D. Not enough information 9. Candy was surprised when the doctor told her that her baby's weight was in the 85th percentile. If baby's weights are normally distributed, which of the following would be a reasonable standard score for her baby's weight? A. 85 B. -2.75 C. 1.04 D. 0 E. Not enough information 10. One of the values in a normal distribution is 43 and its z-score is 1.65. If the mean of the distribution is 40, what is the standard deviation? A. 3 B. -1.82 C. .55 D. 1.82 E. -.55