james0673 james0673

22-09-2017
Mathematics

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If a student guesses the answers to four true-false questions, what is the probablity that he/she will guess all four correctly? A. 1/16 B. 1/8 C. 15/16 D. 7/8

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upandover upandover

22-09-2017

The answer is A!
This is because the student has a 50% or 1/2 chance of getting the question correct. Multiply 1/2 * 1/2 * 1/2 * 1/2 to get 1/16.

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