Two types of incorrect decisions can be made in a hypothesis test: a Type I error and a Type II error.
a. Explain the meaning of each type of error.
b. Identify the letter used to represent the probability of each type of error.
c. If the null hypothesis is in fact true, only one type of error is possible. Which type is that? Explain your answer.
d. If you fail to reject the null hypothesis, only one type of error is possible. Which type is that? Explain your answer.