Aquiz consists of 4 true-false questions. what is the probability of getting 100% on the quiz by randomly guessing the answer to all 4 questions?

 The probability of getting 100 % on the quiz is 0.0625.

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Step-by-step explanation:

Since we have given that

Number of true-false questions = 4

Number of chances of answer = 2

1) True,

2) False

Probability of getting correct answer is given by

Probability of getting 100% on the quiz by randomly guessing the answer to all 4 questions is given by

Hence, The probability of getting 100 % on the quiz is 0.0625.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

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step-by-step explanation: