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"D" Size Batteries Produced by MNM Corporation Have Had a Life

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Essay

"D" size batteries produced by MNM Corporation have had a life expectancy of 87 hours. Because of an improved production process, it is believed that there has been an increase in the life expectancy of its "D" size batteries. A sample of 36 batteries showed an average life of 88.5 hours. Assume from past information that it is known that the standard deviation of the population is 9 hours.
a.Formulate the hypotheses for this problem.
b.Compute the test statistic.
c.What is the p-value associated with the sample results? What is your conclusion based on the p-value? Let α\alpha = .05.


Definitions:

Fat Cells

Cells that specialize in storing energy in the form of fat, also known as adipocytes, playing key roles in metabolism and energy balance.

Insulin

A substance secreted by the pancreas that controls levels of blood sugar by helping glucose absorption into the body's tissues.

Appetite

The desire to eat food, felt as hunger, which can be influenced by physiological, psychological, and environmental factors.

Taste Buds

sensory organs located on the tongue, responsible for the perception of taste, including sweet, sour, salty, bitter, and umami flavors.

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