The Next Questions Are Based on the Following Information

question 71

Essay

The Next Questions Are Based On The Following Information:
An insurance company employs agents on a commission basis.It claims that in their first year,agents will earn a mean commission of at least $42,000 and that the population standard deviation is no more than $6,800.A random sample of nine agents found,for commissions in the first year,
and
The population distribution can be assumed to be normal.
-Test at the 5% level the null hypothesis H₀ : μ ≥ 42,000 against the alternative hypothesis
H₁ : μ < 42,000

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Definitions:

Behavior

The actions, reactions, or functioning of an organism, usually in response to external or internal stimuli.

Depression

A psychological condition marked by a consistently low mood, diminished interest in activities, and a substantial disruption in everyday tasks.

Serotonin

A neurotransmitter involved in the regulation of mood, appetite, and sleep, often linked to feelings of well-being and happiness.

Glutamate

an important neurotransmitter in the brain that plays a key role in learning and memory.