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{{Aufgabe|<b>A multiple-choice-test consists of 8 questions. For every question there are 4 possible answers,
 
{{Aufgabe|<b>A multiple-choice-test consists of 8 questions. For every question there are 4 possible answers,
 
<br>of which exectly one is true. Pia didn't study, so she completely randomly choses
 
<br>of which exectly one is true. Pia didn't study, so she completely randomly choses
<br>respactively one of the answers. How big is the probability that... </b>
+
<br>respactively one of the answers. What is the probability that... </b>
 
<br> <big> a) </big> all answers are right?
 
<br> <big> a) </big> all answers are right?
 
<br> <big> b) </big> all answers are wrong?
 
<br> <big> b) </big> all answers are wrong?

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A multiple-choice-test consists of 8 questions. For every question there are 4 possible answers,
of which exectly one is true. Pia didn't study, so she completely randomly choses
respactively one of the answers. What is the probability that...

a) all answers are right?
b) all answers are wrong?
c) exactly the first three answers are right?

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