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A statistical test for the population mean at the 0.01 level results in your rejection of...


A statistical test for the population mean at the 0.01 level results in your rejection of the null hypothesis. Can the null hypothesis still be true? If so, what is the probability that the null hypothesis is true, even though you rejected it?

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Answer #1

Yes, null hypothesis still be true.

A type 1 error is also known as a false positive and occurs when a researcher incorrectly rejects a true null hypothesis. ... The probability of making a type I error is represented by your alpha level (α)

Therefore, probability that null hypothesis still be true is = 0.01.

Probability is 0.01.

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