How Type I and Type II errors can occur in this hypothesis test? A Type I error

Question

How Type I and Type II errors can occur in this hypothesis test? A Type I error can occur if the proportion of unionized employees is below 0.123 and the null hypothesis is not rejected. A Type I error can occur if the proportion of unionized employees is above or equal to 0.123 and the null hypothesis is not rejected. A Type I error can occur if the proportion of unionized employees is below 0.123 and the null hypothesis is rejected. A Type I error can occur if the proportion of unionized employees is above or equal to 0.123 and the null hypothesis is rejected.

Explanation / Answer

A type I error is the probability that Reject the null hypothesis when Null hypothesis is true .

Here , A type I error can occur if the proportion of unionized employees is below and the null hypothesis is not rejected

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