Extra Practice for Section 6-2

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Extra Practice for Section 6-2. Find the values indicated. Assume the random variable z has a standard normal distribution. Answers are below. 1. Find P5. 2.
Extra Practice for Section 6-2 Find the values indicated. Assume the random variable z has a standard normal distribution. Answers are below. 1. Find P5 2. Find P18 3. Find P61 4. Find P97 5. Find the value that separates the lowest 20% of z-scores from the highest 80% of z-scores. 6. Find the value that separates the lowest 95% of z-scores from the highest 5% of zscores. 7. If P(z < a) = 0.9591 find the value of a 8. If P(z < b) = 0.0192 find the value of b 9. If P(z > c) = 0.8289 find the value of c 10. If P(z > d) = 0.0107 find the value of d Answers: 1. -1.645 2. -0.92 3. 0.28 4. 1.88 5. -0.84 6. 1.645 7. 1.74 8. -2.07 9. -0.95 10. 2.30