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XX Is a Normally Distributed Random Variable with a Standard Deviation

Question 60

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XX is a normally distributed random variable with a standard deviation of 2.002.00 . Find the mean of XX if 12.71%12.71 \% of the area under the distribution curve lies to the right of 10.2810.28 . (Note: the diagram is not necessarily to scale.)
X is a normally distributed random variable with a standard deviation of 2.00 . Find the mean of X if 12.71 \% of the area under the distribution curve lies to the right of 10.28 . (Note: the diagram is not necessarily to scale.) A) 8.7 B) 7.5 C) 8.0 D) 9.6


A) 8.7
B) 7.5
C) 8.0
D) 9.6

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