Question: 9.44 Error probability A significance test about a mean is conducted using a significance level of 0.05. The test statistic equals 10.52. The P-value is

9.44 Error probability A significance test about a mean is conducted using a significance level of 0.05. The test statistic equals 10.52. The P-value is 0.003.

a. If H0 was true, for what probability of a Type I error was the test designed?

b. If the P-value was 0.3 and the test resulted in a decision error, what type of error was it?

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