Researchers Claim That 40 Tissues Is the Average Number of Tissues

question 93

Multiple Choice

Researchers claim that 40 tissues is the average number of tissues a person uses during the course of a cold.The company who makes Puffs brand tissues thinks that fewer of their tissues are needed.What are their null and alternative hypotheses?

• A)H₀: μ = 40 vs.H₁: μ > 40
• B)H₀: μ = 40 vs.H₁: μ < 40
• C)H₀: = 40 vs.H₁: < 40
• D)H₀: μ < 40 vs.H₁: μ = 40

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Definitions:

Optic Nerve

The nerve responsible for sending visual signals from the retina to the brain.

Glaucoma

A group of eye conditions that damage the optic nerve, often due to abnormally high pressure in the eye, and can lead to blindness if untreated.

Intraocular Pressure

The fluid pressure inside the eye, essential for maintaining the eye's shape and proper function, but elevated levels can lead to glaucoma.

Refractory Error

Optical errors in the eye causing imperfect focus of light on the retina, leading to blurred vision; includes conditions like myopia, hyperopia, and astigmatism.