A Company Has Developed a New Ink-Jet Cartridge for Its

question 122

Essay

A company has developed a new ink-jet cartridge for its printer that it believes has a longer lifetime on average than the one currently being produced.To investigate its length of life,240 of the new cartridges were tested by counting the number of high-quality printed pages each was able to produce.The sample mean and standard deviation were determined to be 1511.4 pages and 35.7 pages,respectively.The historical average lifetime for cartridges produced by the current process is 1502.5 pages.At α = .05,test the claim that the new cartridge has a longer lifetime.

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Definitions:

Allelic Form

Allelic form refers to the variant form of a gene that arises by mutation and is found at the same place on a chromosome as other alleles of the gene, leading to genetic diversity within a population.

Ontogenetic

Pertaining to the development of an individual organism or individual anatomical or behavioral characteristic from conception to maturity.

Monozygotic

Referring to twins developed from a single fertilized ovum, hence they are genetically identical.

Codominant

A genetic scenario in which two alleles of a gene are expressed equally in the phenotype of heterozygotes.