A Random Sample of 100 Observations from a Normal Population

question 10

Essay

A random sample of 100 observations from a normal population whose standard deviation is 50 produced a mean of 75.Does this statistic provide sufficient evidence at the 5% level of significance to infer that the population mean is not 80?

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Definitions:

Additive Genes

Genes that contribute incrementally in varying degrees to the phenotype of an organism.

Dominant

Refers to a trait that overshadows another when both are present, or an individual/group that exerts power over others in a given context.

Recessive

Describing a gene that is expressed in the phenotype only when two copies of the gene (one from each parent) are present.

Color-Blindness

A visual condition where an individual has difficulty distinguishing between certain colors, typically involving reds, greens, and blues.