Independent events: probability exactly one or a given combination happens

1. A.
   $\frac{1}{7}$
2. B.
   $\frac{2}{7}$
3. C.
   $\frac{6}{7}$
4. D.
   $\frac{4}{7}$

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

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1. A.
   $\frac{15}{64}$
2. B.
   $\frac{21}{64}$
3. C.
   $\frac{39}{64}$
4. D.
   $\frac{9}{64}$

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1. A.
   $\frac{8}{35}$
2. B.
   $\frac{18}{35}$
3. C.
   $\frac{26}{35}$
4. D.
   $\frac{34}{35}$

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

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1. A.
   $\frac{13}{125}$
2. B.
   $\frac{37}{125}$
3. C.
   $\frac{28}{125}$
4. D.
   $\frac{33}{125}$

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1. A.
   $\dfrac{1}{35}$
2. B.
   $\dfrac{11}{35}$
3. C.
   $\dfrac{2}{7}$
4. D.
   $\dfrac{1}{7}$

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