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X Is a Normally Distributed Random Variable with a Mean

Question 39

Multiple Choice

X is a normally distributed random variable with a mean of 10.00. If the probability that X is less than 11.54 is 0.67 (as shown below) , then what is the standard deviation of X? (Note: the diagram is not necessarily to scale.) X is a normally distributed random variable with a mean of 10.00. If the probability that X is less than 11.54 is 0.67 (as shown below) , then what is the standard deviation of X? (Note: the diagram is not necessarily to scale.) A) 1.75 B) 3.50 C) 4.20 D) 12.25


A) 1.75
B) 3.50
C) 4.20
D) 12.25

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