The Blood cholesterol levels of men age 55 to 64 are approximately Normal, with  mean 222 milligrams pr deciliter (mg/dl) and standard deviation 37 mg/dl. For each question Sketch a graph of the distribution demonstrating the balue you are asked to find. a. what percentage of men age 55-64 have a cholesterol level less than 222mg/dl? b. What percentage of men age 55 to 64 have a cholestrol level less then 245.31 mg/dl? c. What percentage of men age 55 to 64 have a cholesterol level greater than 274.54 mg/dl? d. What percentage of men age 55 to 64 have a cholesterol level between 192.4 and 255.3mg/dl?

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A:

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Q: Explain the Two stage Least Square estimator in the general IV regression model?

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A: Mean=1.99s=0.84

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A: for more information ping me    happy learning

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A: Standard Normal Table.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.