# 6 - Practice for Exam 2 Econ B2000, MA Econometrics Kevin R...

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Practice for Exam 2Econ B2000, MA EconometricsKevin R Foster, CCNYFall 2011Not all of these questions are strictly relevant; some might require a bit of knowledge that we haven't covered thisyear, but they're a generally good guide.1.You might sketch a picture.a.For aNormal Distribution with mean 4 and standard deviation of 1, what is the area to the left of 3.3?
b.For aNormal Distribution with mean -13 and standard deviation of 7, what is the area to the left of -3.2?
c.For aNormal Distribution with mean 1 and standard deviation of 4, what is the area to the right of -6.6?
d.For aNormal Distribution with mean -6 and standard deviation of 2, what is the area to the right of -9.8?
e.For aNormal Distribution with mean -3 and standard deviation of 5, what is the area to the right of -8?f.For aNormal Distribution with mean -12 and standard deviation of 5, what is the area in both tails farther
g.For aNormal Distribution with mean -9 and standard deviation of 5, what is the area in both tails fartherh.For aNormal Distribution with mean -13 and standard deviation of 8 what value leaves 0.22 in the right
tail?
i.For aNormal Distribution with mean -7 and standard deviation of 5 what value leaves 0.24 in the right tail?j.For aNormal Distribution with mean 12 and standard deviation of 2 what value leaves 0.03 in the right tail?
2.You might sketch a picture.a.For at Distribution with sample average of 1.43, standard deviation of 1.22, and 11 observations, what isb.For at Distribution with sample average of 2.9, standard deviation of 1.82, and 13 observations, what is the
c.For at Distribution with sample average of 3.31, standard deviation of 2.16, and 9 observations, what is thed.For at Distribution with sample average of 1.47, standard deviation of 1.47, and 16 observations, what is
e.For at Distribution with 20 observations and standard deviation of 2.53, what sample mean leaves 0.08 in

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Term
Winter
Professor
NoProfessor
Tags
high school diploma, advanced degree
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