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No. & Date Asked  Question 

# 620 :: 2/8/09

The total area under the curve of the standard normal distribution is not necessarily 1.0.
A) True
B) False. . .
Normal Curve,
Standard Normal Distribution,
Standard Normal Curve 
# 452 :: 10/3/08

why does a z score always have a mean of 0 and a standard deviation of 1?. . .
Standard Normal Curve 
# 291 :: 7/26/08

According to the standard normal curve, _____% of values should fall;
within +/ – 1 standard deviation(s) from the mean;
+/ 3 standard deviation. . .
Standard Normal Curve,
above .10 
# 215 :: 6/3/08

Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assum. . .
Standard Normal Curve,
Confidence Intervals,
Standard Deviation,
Normally Distributed 
# 41 :: 10/29/07

On a scale from 0 to 100, the mean level of economic development among the countries in the world is 65 and the standard deviation is 10. What proport. . .
ZScore,
Standard Normal Curve 