# ec-47 - 1 March 4 2008 It is E370 Time Announcements...

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1 March 4, 2008 It is E370 Time!!! Announcements WarmUps Questions Today’s Goals: You should be able to T derive the expected value and variance of a function of random variables. T apply your skill at deriving expected values to the distribution of the sample mean and that of the sample proportion. T accurately state the Central Limit Theorem and how it applies to the distribution of the sample and sample proportion. Next Time~~practice!!!

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2 Announcements T Lab Exams are being checked for grading accuracy, which is why they were not returned last week. T Please sit WITH your TEAM in the section associated with your Lab Coach. T Lab Coaches do NOT have to award Quiz Bowl Points to students who are not their own or who are sitting in the wrong place.
3 The Standard Normal is a linear transformation of any Normal Random Variable X. The transformation is: Z=[(X i - : )/ F ]. The Expected Value 1.

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