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Mathematics 9 Online
OpenStudy (anonymous):

Briana guesses at all 10 true/false questions on her history test. Find each probability. P(exactly 6 correct)

OpenStudy (ganpat):

if any one is right.. that its 1/10.. if two r right.. than its 2/10.. three = 3/10.. and so on... exactly 6 right.. 6/10.. as per my understanding on the question !!!

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