The Next Questions Are Based on the Following Information

question 152

Essay

The Next Questions Are Based On The Following Information:
Research and development has designed a ball point pen so that the true average writing lifetime under controlled conditions (involving the use of a writing machine)is at least 12 hours.A random sample of 18 pens is selected,the writing lifetime of each is determined,and a normal probability plot of the resulting data supports the use of a one-sample t test.
-What conclusion is appropriate for the hypotheses H₀ : μ = 12 against H₁ : μ < 12,and the test statistic t = -2,and α = .01?

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Definitions:

Affluent

Describes individuals, communities, or nations with a high level of wealth and income, typically measured by the standard of living and purchasing power.

Production Possibilities Curve

A model that shows the maximum combination of goods or services that can be produced with a fixed amount of resources.

Economic Decline

A period characterized by a decrease in the GDP, income, employment, and trade lasting for several months or years.

Unobtainable

Refers to something that cannot be obtained, achieved, or acquired due to various constraints or limitations.