There Are Seven Blue and Six Black Socks in a Drawer

question 10

Multiple Choice

There are seven blue and six black socks in a drawer. One is pulled out at random. Find the probability that it is black.

• A) 6/13
• B) 6/7
• C) 1/2
• D) 1/6

---

Definitions:

Sensor

A device that detects or measures a physical property and records, indicates, or otherwise responds to it, often used in various technological and scientific applications.

Sphygmomanometer

A medical device used to measure blood pressure, consisting of an inflatable cuff to restrict blood flow and a manometer to measure the pressure.

Systolic Pressure

The pressure in the arteries when the heart beats and fills them with blood; the higher number in a blood pressure reading.

Cuff

A band or folded part of a garment at the end of a sleeve or pant leg, which can also refer to devices used in medical settings to measure blood pressure.