Let X Represent the SAT Total Score of an Entering

question 43

Multiple Choice

Let X represent the SAT total score of an entering freshman at University X.The random variable X is known to have a N(1200,90) distribution.Let Y represent the SAT total score of an entering freshman at University Y.The random variable Y is known to have a N(1215,110) distribution.A random sample of 100 freshmen is obtained from each university.Let = the sample mean of the 100 scores from University X,and = the sample mean of the 100 scores from University Y.What is the probability that will be greater than ?

• A)0.0475
• B)0.0869
• C)0.1456
• D)0.2266

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Motor Vehicle Accident

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