Normal Distribution
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Wayground Content
Used 4+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the z-score represent?
Back
The amount of standard deviations a data value is above or below the mean.
2.
FLASHCARD QUESTION
Front
What is the probability P(z < 0.05)?
Back
0.5199
Tags
CCSS.HSS.ID.A.4
3.
FLASHCARD QUESTION
Front
If the shelf life of a dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days, what percent of products last between 12 and 15 days?
Back
34%.
Tags
CCSS.HSS.ID.A.4
4.
FLASHCARD QUESTION
Front
What z-score corresponds to 12.71% of the distribution’s area to its right?
Back
1.14
Tags
CCSS.HSS.ID.A.4
5.
FLASHCARD QUESTION
Front
What shape is a normal distribution curve?
Back
Bell curve.
Tags
CCSS.6.SP.A.3
6.
FLASHCARD QUESTION
Front
Define normal distribution.
Back
A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
7.
FLASHCARD QUESTION
Front
What is the empirical rule in relation to normal distribution?
Back
Approximately 68% of the data falls within one standard deviation of the mean, 95% within two standard deviations, and 99.7% within three standard deviations.
Tags
CCSS.HSS.ID.A.4
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