Normal Distributions and Probability
Authored by Kimberly Riddle
Mathematics
9th - 12th Grade
CCSS covered
Used 60+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have less than 5 accidents?
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The mean GPA of students in a course at UCDavis is 3.2 with a standard deviation of 0.3. What percent of students in the course have a GPA between 2.9 and 3.8?
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About what percent of the products last between 12 and 15 days?
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
For a randomly selected subject in a standard normal distribution (mean is 0 and standard deviation is 1), find the probability of a score between 1.37 and 2.42.
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. Find the score which separates the lower 60% from the top 40%.
Tags
CCSS.HSS.ID.A.4
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