
Probability of a Normal Distribution
Authored by Angela Swan
Mathematics
12th Grade
CCSS covered
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.2: Standard Normal Distribution (mean is 0 standard deviation is 1). For a randomly selected subject, find the probability of a score between 1.37 and 2.42.
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.3: Non-Standard Normal Distribution. IQ scores are normally distributed with mean 100 and standard deviation 15. Find the probability of randomly selecting an IQ score above 90.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.5 CLT: Red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382. Find the probability that one randomly selected woman has a red blood cell count above 5.4.
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.5 CLT: Red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382. What percentage of women have red blood cell counts in the normal range from 4.2 to 5.4?
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.5 CLT: Red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382. If 25 women are randomly selected, find the probability that the mean of their red blood cell counts is less than 4.444.
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.3 z-scores: Scores on a history test have an average of 80 with a standard deviation of 6. What is the z-score for a student who earned a 75 on the test? (Use the formula solve for z)
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.3 z-scores: The temperature is recorded at 60 airports in a region. The average temperature is 67 degrees Fahrenheit with a standard deviation of 5 degrees. Given a z-score of -0.2, what is the temperature? (Use formula, solve for x)
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