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:

Line of Credit

A flexible loan from a bank or financial institution, where a borrower can access funds up to a specified limit at any time.

Lockbox System

A service provided by banks to process payments quickly by allowing companies to have their customers send payments to a special post office box.

Disbursement Float

The time lag between when a payment is issued by a payer and when the funds are actually withdrawn from the payer's account.

Receivable Accounts

Balances of money due to a company for goods or services provided that have not yet been paid by customers.