The Consider the following hypothesis test: H0: Null Hypothesis Ha: Alternative Hypothesis The level of significance is defined as Select one: a. the probability of rejecting H0 when H0 is true as an equality b. the probability of accepting H0 when H0 is true as an equality c. the probability of accepting H0 when Ha is true as an equality d. the probability of rejecting H0 when Ha is true as an equality