The Binomial Random Variable Is the Number of Successes That

question 144

True/False

The binomial random variable is the number of successes that occur in a fixed period of time.

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Definitions:

Chi-squared Goodness-of-fit

A specific type of goodness-of-fit test that uses the chi-squared statistic to test the hypothesis that an observed frequency distribution fits a claimed distribution.

One-tail Test

A statistical test where the region of rejection is on only one side of the sampling distribution, used when testing a directional hypothesis.

Population Proportion

The ratio of members in a population that have a particular attribute, often estimated from sample data.

Chi-squared Test

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorical datasets.