content area top Part 1 Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Question content area bottom Part 1 Explain what a P-value is. Choose the correct answer below. A. A P-value is the value used to designate the area alpha in either the left- or right-tail of the normal curve. B. A P-value is the probability of observing a sample statistic as extreme or more extreme than the one observed under the assumption that the statement in the null hypothesis is true. C. A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the null hypothesis