Standard Normal Distribution
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Z score for a value that is two standard deviations below the mean in a standard normal distribution?
Back
-2
2.
FLASHCARD QUESTION
Front
What is the probability of a value falling within one standard deviation of the mean in a standard normal distribution?
Back
68.27%
3.
FLASHCARD QUESTION
Front
What does a Z score represent?
Back
The number of standard deviations a data value is from the mean
4.
FLASHCARD QUESTION
Front
Joanne's Z-score is -1.5. What does this mean?
Back
She scored 1.5 standard deviations below the average.
5.
FLASHCARD QUESTION
Front
Which z-score corresponds to a probability of 0.3085?
Back
-0.4
6.
FLASHCARD QUESTION
Front
Define Standard Normal Distribution.
Back
A probability distribution with a mean of 0 and a standard deviation of 1.
7.
FLASHCARD QUESTION
Front
What is the mean of a standard normal distribution?
Back
0
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