The Next Questions Are Based on the Following Information

question 31

Multiple Choice

The Next Questions Are Based On The Following Information:
A hydraulic press is operating correctly when the standard deviation of the pressure is less than 120 pounds-per-square-inch (psi) .Suppose you take a random sample of 15 measurements throughout the day of the psi and find the standard deviation to be 148.Suppose you want to test whether the press is operating correctly.
-What are the appropriate null and alternative hypotheses?

• A)H₀ : σ² = 120² and H₁ : σ² > 120²
• B)H₀ : σ = 120 and H₁ : σ < 120
• C)H₀ : σ = 120 and H₁ : σ ≠ 120
• D)H₀ : σ² > 120 and H₁ : σ² ≤ 120

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Definitions:

Spontaneous Anger

A sudden and intense emotional response of anger that arises unexpectedly, often triggered by a perceived wrong or injustice.

Type A Behaviour

A pattern of behavior characterized by competitiveness, ambition, impatience, aggressiveness, and a fast-paced lifestyle, often linked to stress and heart disease.

Disinhibited

The reduction or absence of restraint over one's emotions, impulses, or behaviors, often resulting in actions that are spontaneous or considered socially inappropriate.

Illegally

Pertains to actions or activities that violate laws or regulations.