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II. MULTIPLE CHOICE. Read and analyze the statements below. Write the letter of your correct answer BEFORE the number. Answers must be in CAPITAL LETTER.
II. MULTIPLE CHOICE. Read and analyze the statements below. Write the letter of your correct answer BEFORE the number. Answers must be in CAPITAL LETTER. (15 points) 1. Which of the following is the area under the normal curve? A. 0 B. C. 2 D. 3 2. The curve is symmetrical to which of the following? A. mean B. variance C. Area D. SD 3. If the z-value is 0.42, what is the area? A. 0.0800 B. 0.0279 C. 0.1628 D. 0.3129 4. Find the area if the value of z = -0.13. A. 0.0248 B. 0.0517 C. 0.1398 D. 0.2467 5. If the area is 0.4977, what is the z-value? A. 1.63 B. 1.97 C. 2.01 D. 2.83 6. Find the area between z=-1 and z=3. A. 0.8300 B. 0.8350 C. 0.8400 D. 0.8450 7. Find the area between z= -1.5 and z=-1.3. A. 0.0100 B. 0.0200 C. 0.0300 D. 0.0400 8. If the area is 0.8351, what are the two values of z. A. 2 0.24 and z=0.31 C. 2=-0.13 and z=-1.3 B. z=1.6 and z=2.1 D. z=-2.5 and z=1 9. Find the area of the proportion in the probability notation P(1-2.5). A. 0.9937 B. 0.9934 C. 0.9936 D. 0.9938 12. Given # = 180 and o = 15 in a college entrance examination, find the corresponding z-value of the score by the following students if X = 150. A. 2 B. -2 C. 2.5 D. -2.5 13. From the given in number 12, what is the z-value if X = 200? A. 1.33 B. 1.66 C. 1.99 D. 2.22 14. What is the value of 70th percentile? A. 0.13 B. 0.23 C. 0.52 D. 0.71 15. What is the value of 82nd percentile? A. 0.92 B. 0.83 C. 0.53 D. 0.23
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