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Use the following information to answer questions . Suppose that a recent poll of single people over the
age of thirty-five were asked about their living arrangements. The poll found that 34% rented a house or
apartment, 21% owned a house, and 17% owned a condominium. Suppose that four single people are selected
randomly and with replacement.
-What is the probability that none of the four randomly selected people rent a house or apartment? Show your work and round to the nearest thousandth.
Population Proportion
The ratio of individuals in a subgroup of a population to the total population, often expressed as a percentage.
Variance
A measure of the dispersion or spread of a set of data points around their mean (average) value, indicating how far the data points are from the mean.
Unbiased Estimator
A statistical estimator whose expected value is equal to the parameter it estimates, indicating it does not overestimate or underestimate the true value.
Population Parameter
A Population Parameter is a value that represents a characteristic of an entire population, such as its mean or standard deviation.
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