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X is a normally distributed variable such that X = 14 is one std. deviation below the mean 26 is one std. deviation above the mean as shown below. Pr(x < 14)= Pr(z ≤-1) and Pr(x>26) = Pr(z > 1). 0.4 0.3 0.2 0.1 14 μ 0 26 +1 X Z -1 What is the mean, u and std. deviation, o of X? A. μ = 20 & o = 4. B. u=22&o=6. C. μ= 20 & o = 6. D. μ = 18 & o=4.

X is a normally distributed variable such that X = 14 is one std. deviation below the mean 26 is one std. deviation above the mean as shown below. Pr(x < 14)= Pr(z ≤-1) and Pr(x>26) = Pr(z > 1). 0.4 0.3 0.2 0.1 14 μ 0 26 +1 X Z -1 What is the mean, u and std. deviation, o of X? A. μ = 20 & o = 4. B. u=22&o=6. C. μ= 20 & o = 6. D. μ = 18 & o=4.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 12PPS
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X is a normally distributed variable such that X = 14 is one std. deviation below the mean 26 is one std. deviation above the mean as shown below. Pr(x < 14)= Pr(z ≤-1) and Pr(x > 26) = Pr(z > 1). 0.4 0.3 A. A 0.2 0.1 0 14 -1 What is the mean, u and std. deviation, o of X? A. μ = 20 & o=4. B. μ=22&o=6. C. μ=20&o= 6. D. μ = 18 & o = 4. μ 26 +1 X Z
Transcribed Image Text:X is a normally distributed variable such that X = 14 is one std. deviation below the mean 26 is one std. deviation above the mean as shown below. Pr(x < 14)= Pr(z ≤-1) and Pr(x > 26) = Pr(z > 1). 0.4 0.3 A. A 0.2 0.1 0 14 -1 What is the mean, u and std. deviation, o of X? A. μ = 20 & o=4. B. μ=22&o=6. C. μ=20&o= 6. D. μ = 18 & o = 4. μ 26 +1 X Z
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