There Are 25 Students in a Sixth-Grade Class Find the Probability That a Randomly-Selected Student Has a Sore

question 11

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:

$\begin{array} { l c c } & \text { Sore throat } & \text { No sore throat } \\\text { Runny nose } & 3 & 2 \\\text { No runny nose } & 6 & 14\end{array}$

Find the probability that a randomly-selected student has a sore throat.

• A) 0.36
• B) 0.24
• C) 0.20
• D) 0.50

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Definitions:

Prices Increase

A situation where the general level of prices for goods and services rises, often measured by the inflation rate.

CPI

A calculation tool, the Consumer Price Index, measures the mean prices of a selected basket of consumer services and goods including food, transportation, and medical services via their weighted average.

Prices Increase

A rise in the general level of prices for goods and services in an economy over a period of time, often indicating inflation.

Unemployment Rate

The portion within the labor force actively seeking work yet remains unemployed.