1.

A multiple choice examinationhas 5 questions. Eachquestion has three alternative answer of which exctly one is correct . The probabilitythat a student willget 4 or more correct answersjust by guessing is

Answer»

`(17)/(3^(5))`
`(13)/(3^(5))`
`(11)/(3^(5))`
`(10)/(3^(5))`

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