3.1 In a population, mY = 75 and s2 Y = 45. Use the central limit theorem...

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3.1 In a population, mY = 75 and s2 Y = 45. Use the central limit theorem to answer the following questions:

a. In a random sample of size n = 50, find Pr(Y 6 73).

b. In a random sample of size n = 90, find Pr(76 6 Y 6 78).

c. In a random sample of size n = 120, find Pr( Y 7 68).

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Introduction To Econometrics

ISBN: 9781292071367

3rd Global Edition

Authors: James Stock, Mark Watson

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