Multiple Choice
A multiple choice exam offers four choices for each question. Paul just guesses the answers, so he has probability 1/4 of getting any one answer right.
What is the expected number of right answers Paul will get if the test has 20 questions?
A) 5
B) 4
C) 2
D) 1/4
E) Can't tell from the information given.
Correct Answer:
Verified
Correct Answer:
Verified
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