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IV. EVALUATION: Direction: Fill in the blanks with the appropriate word or phrase to make the following illustration on normal random variable meaningful. 1. A random variable X whose distribution has the shape of a normal curve called 2. The shape of the normal curve is with the total area of 3. The center of the normal curve is the with the value of if it is standardized. 4. The width and height of the normal curve distribution is determined by the 5. The two important parameters that best describe the normal curve are the and the 6. The curve of the normal distribution extends indefinitely at the tails but does not 7. is the area under the curve falls within 2 standard deviations of the mean. 8. is the area under the curve falls within 3 standard deviations of the mean. 9. is the area under the curve falls within 1 standard deviation of the mean. 10. a normal curve with the mean u = 0 and a standard deviation o = 1