Test the Claim About the Population Mean μ at the Level

question 81

Multiple Choice

Test the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. Claim: $\mu \leq 47 ; \alpha = 0.01 ; \sigma = 4.3$
Sample statistics: $\bar { x } = 48.8 , n = 40$

• A)Reject \(\mathrm { H } _ { 0 }\) There is enough evidence at the 1% level of significance to reject the claim.
• B)Fail to reject \(\mathrm { H } _ { 0 }\) There is enough evidence at the 1% level of significance to support the claim.
• C)Not enough information to decide.

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Definitions:

Death

Death is the cessation of all biological functions that sustain a living organism, marking the end of an individual's life.

Blindness

The condition of lacking visual perception due to physiological or neurological factors.

Amnesia

A condition characterized by a partial or total loss of memory, often due to brain injury, disease, or psychological trauma.

Primitive Brain

Refers to the brain structures responsible for basic survival functions, often associated with the brainstem and limbic system.