Mean or variance of the number of successes using np and npq

1. A.
   $\frac{4}{169}$
2. B.
   $\frac{1}{13}$
3. C.
   $\frac{1}{169}$
4. D.
   $\frac{2}{13}$

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1. A.
   $\frac{1}{13}$
2. B.
   $\frac{1}{169}$
3. C.
   $\frac{2}{13}$
4. D.
   $\frac{4}{169}$

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1. A.
   0.25
2. B.
   3
3. C.
   0.75
4. D.
   1.5

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1. A.
   6
2. B.
   4
3. C.
   $\frac{6}{25}$
4. D.
   $\frac{12}{5}$

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1. A.
   $0.7$
2. B.
   $0.75$
3. C.
   $0.65$
4. D.
   $0.62$

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1. A.
   $\frac{1}{13}$
2. B.
   $\frac{1}{169}$
3. C.
   $\frac{2}{13}$
4. D.
   $\frac{4}{169}$

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1. A.
   $\frac{1}{13}$
2. B.
   $\frac{1}{169}$
3. C.
   $\frac{2}{13}$
4. D.
   $\frac{4}{169}$

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1. A.
   $\mu = 2,\sigma^{2} = 4$
2. B.
   $\ \mu = 2,\sigma^{2} = 1$
3. C.
   $\mu = 3,\sigma^{2} = 4$
4. D.
   $\mu = 2,\sigma^{2} = 5$

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1. A.
   $3p^2q$
2. B.
   $3pq$
3. C.
   $3pq^2$
4. D.
   $3q$

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