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Peppermint patty is very discouraged about her chances on a 10-item true false quiz. if she randomly answers each question, what is the probability of getting a grade of at least 50% on the following?

two-item quiz

three-item quiz

four-item quiz

five-item quiz

User Dale King
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1 Answer

5 votes
1/2 1/2 1/2 1/2 1/2 1/2 1/2 all the time. 50% chance
User Gondo
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8.1k points