Statistics questions

User Generated

barshmmlzhgg

Mathematics

Description

A particular multiple choice test has 110 questions, each with four choices (only one of which is correct).

If students were to take the test by guessing the answer to every question on it entirely at random, what would you expect the average number of correct responses per test to be? Provide your response precise to the nearest tenth.

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Explanation & Answer

probability of getting a question correct=1/4

probability of 110 questions correct= 1/4 *110

=27.5


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