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WorksheetsNormal Distribution, Standard Units #3
Total questions: 10
Worksheet time: 29mins
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%
You are creating a tree house and have made the doorway into the structure 74 inches tall. Suppose the average height of adult males is 68 inches with a standard deviation of 3 inches. What percentage of people will have to bend their heads to get into the house? (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
The tail lengths of a certain animal are normally distributed with a mean length of 18 inches and a standard deviation of 3 inches. What percentage of these animals have a tail that between 12 and 24 inches long?. (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
The scores of a Biology test were distributed with a mean of 70 points with a standard deviation of 4. What percentage of students scored between 58 and 2 points? (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
A particular medical procedure costs, in average, $29000; with a standard deviation of $3,400. What percentage of patients will pay between $22200 and $32400? (Write only the number of the percentage, with 2 decimals without percentage symbol).
(a)
