The Claim That "40% of Those Persons Who Retired from an Industrial

question 29

Multiple Choice

The claim that "40% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable job was available" is to be investigated at the 0.02 significance level. If 74 out of the 200 workers sampled said they would return to work, what is our decision?

• A)Do not reject the null hypothesis because -0.879 lies in the region between +2.326 and -2.326.
• B)Do not reject the null hypothesis because -0.879 lies in the region between +2.5760 and -2.576.
• C)Reject the null hypothesis because 37% is less than 40%.
• D)Do not reject the null hypothesis because 37% lies in the area between 0% and 40%.

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Definitions:

Retina

A thin layer of tissue located on the inside back wall of the eye, containing cells that are sensitive to light and trigger nerve impulses that are sent to the brain via the optic nerve.

Dim Light

A level of illumination that is subdued or less than bright, often creating a mood of relaxation or serenity, and can influence the perception of environments.

Rods

Rods are photoreceptor cells in the retina that are highly sensitive to light and enable vision in low-light conditions.

Color Perception

The ability of the visual system to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.