Learning about conditional probability and independence

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Reference no: EM13121588

Probability

In class we are learning about conditional probability and independence.

The question is:

On a multiple-choice test you know the answers to 70% of the question (and get them right), and for the remaining 30% you choose randomly among the 5 answers. What percent of the answers should you expect to get right?

Reference no: EM13121588

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