You have a 5-question, true-false quiz. What is the probability that you choose each answer at random and get 4 of the questions correct?

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02-02-2019
Mathematics

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You have a 5-question, true-false quiz. What is the probability that you choose each answer at random and get 4 of the questions correct?

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Аноним Аноним · Answer 1 · 2019-02-02T23:43:45+01:00

Аноним Аноним

02-02-2019

The probability of getting each question right is 50%, or ½
[tex] \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} = \frac{1}{2 \times 5} = \frac{1}{10} = 10\%[/tex]

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