Q1:
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X is a random variable with a binomial distribution.
If the parameters of X are n = 10 and π = 0.3
find P(X = 5)
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A. 0.1029
B. 0.3087
C. 0.0282
D. 0.1681
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Answer 1:
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Q2:
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For X in question 1, what is the expected value (mean) of the distribution?
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A. 5
B. 4
C. 3
D. 2
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Answer 2:
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Q3:
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For X in question 1, what is the standard deviation of X? |
A. 3
B. 2.1
C. 7
D. 1.45
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Answer 3:
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Q4:
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Y is a random variable with a binomial distribution.
If the parameters of Y are n = 8 and π = 0.8
find P(Y = 5)
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A. 0.0092
B. 0.9908
C. 0.8532
D. 0.1468
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Answer 4:
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Q5:
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For Y in question 4, what is the variance?
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A. 1.28
B. 2.56
C. 1.13
D. 6.4
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Answer 5:
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