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NORMAL PROBABILITY DISTRIBUTION Flashcards | StudBud
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NORMAL PROBABILITY DISTRIBUTION
NORMAL PROBABILITY DISTRIBUTION
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Answers
1
The heights of adult men are normally distributed with a
mean of 175 cm
and a
standard deviation of 8 cm
.
True
False
2
The salaries of employees at a company are normally distributed with a
mean of $4,000
and a
standard deviation of $500
.
0.6915 (69.15%)
0.3085 (30.85%)
0.8413 (84.13%)
0.1587 (15.87%)
3
A standardized test has scores that are normally distributed with a
mean of 500
and a
standard deviation of 100
.
False
True
4
Normal probability distribution assumes:
Independent trials
Symmetric data
Unequal probabilities for each outcome
Skewed data
5
A normal probability distribution
can be either continuous or discrete
always has a standard deviation of 1
is a discrete probability distribution
is a continuous probability distribution
6
The scores on a college entrance exam are normally distributed with a
mean of 500
and a
standard deviation of 100
.
0.3085 (30.85%)
0.0668 (6.68%)
0.9332 (93.32%)
0.5000 (50.00%)
