A Producer of Various Kinds of Batteries Has Been Producing

question 83

Essay

A producer of various kinds of batteries has been producing "D" size batteries with a life expectancy of 87 hours. Due to an improved production process, management believes that there has been an increase in the life expectancy of their "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.Give the null and the alternative hypotheses.
b.Compute the test statistic.
c.At 99% confidence using the critical value approach, test management's belief.
d.What is the p-value associated with the sample results? What is your conclusion based on the p-value?

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Definitions:

Inappropriately Touches

The act of touching another person without consent, often in a sexual manner that is considered offensive or improper.

Physical Closeness

The proximity and tactile interaction between individuals, often leading to psychological and emotional bonding.

Sexual Predation

The act of engaging in unwanted or aggressive sexual behavior towards others, often exploiting power dynamics or the vulnerability of the victim.

Sexual Response

The series of physical and emotional changes that occur as a person becomes sexually aroused and participates in sexually stimulating activities.