taahcrain1 taahcrain1

31-08-2017
Mathematics

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A test has multiple choice questions with 5 choices for each answer; only one answer is correct for each question. Suppose a student guesses the answer to each question. Assuming the guesses are independent, find the probability that the student will guess correctly when answering two questions. 1/5 1/10 1/25

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theasianinny3 theasianinny3

31-08-2017

1 out of 5.

2/10=1/5 simplified

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elijahvavilin elijahvavilin

31-08-2017

1 / 5 is the correct answer since if your answering 2 questions there is a 2/10 probability 1/5

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