What is the level of significance of a test of hypothesis? Choose the correct answer below. O A. The level of significance, B, is the probability of committing a Type Il error, rejecting the null hypothesis when it is, in fact, true. O B. The level of significance, a, is the probability of committing a Type I error, not rejecting the null hypothesis when it is, in fact, false. O C. The level of significance, a, is the probability of committing a Type I error, rejecting the null hypothesis when it is, in fact, true. O D. The level of significance, a, is the probability of committing a Type Il error, rejecting the null hypothesis when it is, in fact, true. O E. The level of significance, B, is the probability of committing a Type I error, rejecting the null hypothesis when it is, in fact, true. O F. The level of significance, B, is the probability of committing a Type Il error, not rejecting the null hypothesis when it is, in fact, false.

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.