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WorksheetsNormal Distribution, Standard Units #2
Total questions: 10
Worksheet time: 17mins
How should we identify the area under the curve in the following figure?
from 1 standard deviation to the left of the mean to the end of the curve.
From the mean to the end of the curve.
from 1 standard deviation to the left of the mean to the 3 standard deviations to the right of the mean.
from the mean to 3 standard deviations to the right of the mean.
How should we identify the area under the curve in the following figure?
From the mean to 2 standard deviations to the right.
From 3 standard deviations to the left of the mean to 3 standard deviations to the right of the mean.
From the mean to 2 standard deviations to the left.
From 2 standard deviations to the left of the mean to 2 standard deviations to the right of the mean.
How should we identify the area under the curve in the following figure?
From the beginning of the curve to the mean.
From 3 standard deviations to the left of the mean to 1 standard deviations to the left of the mean.
From the beginning of the curve to 1 standard deviations to the left of the mean.
From the beginning of the curve to 1 standard deviation to the right of the mean.
What area under the curve is represented in the figure?
83.99%
84.13%
50%
97.72%
What area under the curve is represented in the figure?
95.44%
99.72%
68.26%
100%
What area under the curve is represented in the figure?
50%
47.72%
15.73%
15.87%
At Dickinson College, freshmen scored on their first calculus exam 10 points in average; with a standard deviation of 3 points. What percentage of students scores between 1 and 7? (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
Birth weights of babies in the United States can be modeled by a normal distribution with mean 3250 grams and standard deviation 500 grams. What percentage of babies weight more than 2750 grams? (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
Suppose the average height of women collegiate volleyball players is 69", with a standard deviation of 2". What percentage of volleyball players are between 65" and 75"?(Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
The distribution of the duration in day of human pregnancies is approximately normal with mean = 270 and standard deviation 15. What percentage of woman who will have a duration of pregnancy between 240 and 300 days?(Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
