There Are 25 Students in a Sixth-Grade Class Find the Probability That a Randomly-Selected Student Has Neither a Cold

question 52

Multiple Choice

There are 25 students in a sixth-grade class. On a cold winter day in February, many of the students had runny noses and sore throats. After examining each student, the school nurse constructed the following table:

$\begin{array} { l c c } & \text { Sore throat } & \text { No sore throat } \\\text { Runny nose } & 5 & 5 \\\text { No runny nose } & 3 & 12\end{array}$

Find the probability that a randomly-selected student has neither a runny nose nor a sore throat.

• A) 0.48
• B) 0.32
• C) 0.20
• D) 0.80

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Definitions:

Withholding Allowances

Exemptions claimed by employees to reduce the amount of income tax withheld from their paychecks.

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A tax that governments impose on financial income generated by all entities within their jurisdiction.

Withholding Allowance Certificate

A form used by employees to indicate their tax status to employers, determining how much federal income tax to withhold from their earnings.

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A U.S. tax form used by employees to indicate their tax situation to their employer, determining the amount of taxes withheld from their paycheck.