A Student Takes a 18-Question, Multiple-Choice Exam with Four Choices

question 25

Multiple Choice

A student takes a 18-question, multiple-choice exam with four choices for each question and guesses on each question. Find the probability of guessing exactly 7 out of 18
Correctly.

• A) 0.082
• B) 0.918
• C) 0.250
• D) 0.389

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Definitions:

Exchange Rate

The value of one currency for the purpose of conversion to another, determining how much one currency is worth in terms of the other.

¥134.68

This represents an amount in Japanese yen, a currency used in Japan.

10% More

Indicates an increase or addition of ten percent to a given number or value.

7% Less

A reduction by seven percent from a previous amount or value.