A Multiple-Choice Test Has 30 Questions and Each One Has

question 52

Multiple Choice

A multiple-choice test has 30 questions and each one has five possible answers, of which only one is correct. If all answers were guesses, find the probability of getting exactly four correct answers.

• A) .1227
• B) .1325
• C) .0604
• D) .0374

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Definitions:

Fair Die

A fair die is a dice designed to have equal likelihoods of landing on any of its faces when thrown.

Events

Occurrences or happenings, especially significant ones within a specified area or context.

Independent

Free from outside control; not depending on another's authority or subject to another's influence.

First Ace

The initial occurrence of an ace in a series of card draws or during a specific card-related activity.