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in a 10-question true/false test, what is the probability of guessing correctly on questions 6 through 8 exactly 2 times?
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in a 10-question true/false test, what is the probability of guessing correctly on questions 6 through 8 exactly 2 times?

User Jetty
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4 votes
the probability is about 70%
User Let Me Tink About It
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