Probability and Statistics Assignment
An assignment covering probability theory and statistical analysis concepts.
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Probability and Statistics Assignment
Part 1 of 9 -
Question 1 of 25 1.0 Points
Suppose that a histogram of a data set is approximately symmetric and "bell shaped".
Approximately what percent of the observations are within two standard deviations of the
mean?
A.68%
B.50%
C.95%
D.99.7%
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Part 2 of 9 -
Question 2 of 25 1.0 Points
If A and B are any two events with P(A) = .8 and then is:
A.0.56
B..24
C.0.875
D.0.14
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Question 3 of 25 1.0 Points
Three cards are drawn from a deck without replacement. What is the probability that all three
cards are clubs?
A.0.0129
B.0.012
C.0.25
Part 1 of 9 -
Question 1 of 25 1.0 Points
Suppose that a histogram of a data set is approximately symmetric and "bell shaped".
Approximately what percent of the observations are within two standard deviations of the
mean?
A.68%
B.50%
C.95%
D.99.7%
Reset Selection
Part 2 of 9 -
Question 2 of 25 1.0 Points
If A and B are any two events with P(A) = .8 and then is:
A.0.56
B..24
C.0.875
D.0.14
Reset Selection
Question 3 of 25 1.0 Points
Three cards are drawn from a deck without replacement. What is the probability that all three
cards are clubs?
A.0.0129
B.0.012
C.0.25
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Subject
Statistics