A survey of 2392 adults ages 18 and over asked what type of...

A survey of 2392 adults ages 18 and over asked what type of food they would be most likely to choose at a restaurant. The results are shown in the figure. What is the probability that an adult chosen at random prefers Italian food?

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Key Concepts

Probability

Probability is a measure of the likelihood that a particular event will occur. It is typically defined as the ratio of the number of favorable outcomes to the total number of possible outcomes in a defined sample space.

Relative Frequency

Relative frequency is an empirical measure of probability based on observational data and is calculated by dividing the number of times an event occurs by the total number of events or observations. This concept is often used to estimate the probability in practical settings.

Sample Survey

A sample survey is a method of collecting information from a subset of a larger population to infer conclusions about the entire group. It involves selecting a representative sample and collecting data about various attributes through questionnaires or interviews.

Statistical Population

The statistical population is the entire group of individuals or items that are the subject of a study. Understanding the population is crucial because the results obtained from a sample survey are intended to represent characteristics or preferences of the whole group.

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