A Random Sample of Size 36 Is Taken from a Population

question 18

Multiple Choice

A random sample of size 36 is taken from a population with mean µ = 17 and standard deviation σ = 6. The probability that the sample mean is between 15 and 18 is ________.

• A) 0.0228
• B) 0.8186
• C) 0.8413
• D) 0.8641

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Definitions:

Phenylalanine Hydroxylase

An enzyme that converts phenylalanine into tyrosine, thus playing a crucial role in amino acid metabolism.

Phenylketonuria (PKU)

A genetic disorder characterized by an inability to metabolize the amino acid phenylalanine, leading to developmental problems if untreated.

Epistasis

A genetic interaction where the effect of one gene is modified by one or several other genes, which can suppress or mask the expression of the first gene.

Pleiotropy

The genetic phenomenon in which a single gene influences two or more seemingly unrelated phenotypic traits.