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Unformatted text preview: b. Find the z –score for each score in the population. c. Transform the original population into a new population of N = 6 scores with a mean of µ = 50 and a standard deviation of σ = 10. (3) For a normal distribution with a mean of 80 and a standard deviation of 10, find each probability value requested. a. p (X > 85) = ? b. p (X < 95) = ? c. p (X > 70) = ? d. p (75 < X < 100) = ? Answers for questions Not in Kiess book 1.) a.) µ = 77.5, σ = 17.26 b.) c.) 100 and 105 were > 90%. 2.) a.) µ = 3 and σ = 2 b & c (see table below) Origin al X zscore Transform ed X1.5 33 4 0.5 55 6 1.5 65 11 40 3 50 4 0.5 55 3.) a. p = 0.3085 (30.85%) b. p = 0.9332 (93.32%) c. p = 0.8413 (84.13%) d. p = 0.6687 (66.87%) X zscore 105 1.59 100 1.30 95 1.01 90 0.72 85 0.43 80 0.14 750.14 700.43 650.72 601.01 551.30 501.59...
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This note was uploaded on 12/10/2008 for the course PSYCH 100A taught by Professor Marken during the Spring '07 term at UCLA.
 Spring '07
 Marken

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