Percents Normal Distribution
Authored by Anthony Clark
Mathematics
12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sigma of P-Hat
Population Standard Deviation
Standard Deviation of the Sampling Distribution of Sample Means
Sample Percents of the Standard Deviation
Standard Deviation of the Sampling Distribution of Sample Proportions
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A test has a mean of 40 and a standard deviation of 10. What is the percent of people that scored between 32 and 43?
62.13%
40.61%
13.65%
100%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where can we locate the mean in the normal curve?
to the left portion
to the right portion
at the center
on the z - axis
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the area under the normal distribution curve that represents the area to the left of:
z = -2.37
0.0089
0.9910
0.1401
0.1381
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This data is normally distributed. What percent of the data is in the shaded regions?
5%
95%
2.5%
50%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
SAT scores in New York are approximately Normally distributed with a mean of 1050 and a standard deviation of 55.
About 2.5% of all test scores are less than what score?
942
1050
885
992
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
SAT scores in New York are approximately Normally distributed with a mean of 1050 and a standard deviation of 55. About 2.5% of all test scores are less than what score?
940
1050
885
995
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