The normal distribution is a symmetrical,bell-shaped distribution that describes the expected probability distribution of many chance occurrences.

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The statement is true. The normal distribution is a symmetrical, bell-shaped distribution that is commonly used to model the distribution of random variables in many fields, including science, engineering, and economics. It is characterized by two parameters, the mean and standard deviation, and it is often used to estimate probabilities of events occurring within a given range or to analyze the central tendency and variability of a dataset.

The Normal Distribution Is a Symmetrical,bell-Shaped Distribution That Describes the Expected