Which of the Following Is Always True for All Probability

question 46

Multiple Choice

Which of the following is always true for all probability density functions of continuous random variables?

• A) They are symmetrical.
• B) They are skewed to the right.
• C) They are skewed to the left.
• D) The area under the curve is 1.0.

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Definitions:

Drum Brakes

A type of braking system using brake shoes pressed outward against a rotating drum to slow or stop a vehicle.

Disc Brakes

A type of brake that slows or stops a vehicle by squeezing brake pads against a disc or rotor attached to the wheel.

Brake Fade

A reduction in the braking power of a vehicle, often due to overheating of the brake components during heavy use.

Water Fade

A decrease in the performance of brake components due to the presence of water.