Find the Requested Probability

question 73

Multiple Choice

Find the requested probability.
-The test scores of 5 students are under consideration. The following is the dotplot for the sampling distribution of the sample mean for samples of size 2. Find the probability, expressed as a percent, that the sample mean will be within 2 points of the
Population mean.

• A)20%
• B)40%
• C)30%
• D)50%

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Definitions:

Dial Indicator

A precision measurement tool used to measure small distances or angles with high accuracy, often used in engineering and mechanical settings.

Vernier Calipers

A precision measuring instrument used to measure internal and external dimensions extremely accurately.

Dial Calipers

Precision measuring tools that use a calibrated dial to measure distances or thicknesses with high accuracy.

Rotors

Discs attached to the wheels of a vehicle that the brake pads press against to slow or stop the car, as part of the disc brake system.