Question

Asked Dec 2, 2019

2 views

Edward has to take a

sixsix-question

multiple-choice quiz in his sociology class. Each question has four choices for answers, of which only one is correct. Assuming that Edward guesses on all

sixsix

questions, what is the probability that he will answer a) all

sixsix

questions correctly, b) exactly

twotwo

questions correctly, c) at least

twotwo

questions correctly.

Step 1

a.

The probability that Edward will answer all the six questions correctly is,

Step 2

Thus, the probability that Edward will answer all the six questions correctly is 0.0002.

b.

The probability that Edward will answer exactly two questions correctly is,

Step 3

Thus, the probability that Edward will answer exactly two questions correctly is 0.2966.

c.

&nb...

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