The Manager of a Grocery Store Wants to Determine Whether

question 108

Short Answer

The manager of a grocery store wants to determine whether the amount of water contained in 1-gallon bottles purchased from a nationally known manufacturer actually average 1 gallon.It is known from the specifications that the standard deviation of the amount of water is equal to 0.02 gallon.A random sample of 32 bottles is selected,and the mean amount of water per 1-gallon bottle is found to be 0.995 gallon.Calculate a confidence interval to test the hypotheses at α = .001.

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Definitions:

Genotypic Frequencies

The proportion of different genotypes in a population, which can change over time due to evolutionary processes.

Nonevolving Population

A theoretical population in which allele frequencies do not change over time, effectively not undergoing evolution.

Speciation

Origin of new species due to the evolutionary process of descent with modification.

Genetic Drift

A mechanism of evolution that involves random changes in the frequency of alleles within a population over time.