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p̂ = 0.67 is an example of a null hypothesis expressed formally. TRUE/ FALSE

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p̂ = 0.67 is an example of a null hypothesis expressed formally. TRUE/ FALSE

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Solution

FALSE. p̂ = 0.67 is not an example of a null hypothesis. A null hypothesis is a statistical hypothesis that assumes no difference or effect in the population. It is usually denoted as H0. An example of a null hypothesis could be H0: p = 0.67, which means we assume the population proportion is 0.67. p̂ is typically used to represent a sample proportion, not the population proportion assumed in a null hypothesis.

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