Just question 2 and 5 please !

Question 2 0.5 pts Alpha is known as the power of a test. O True O False D Question 3 0.5 pts When the confidence coefficient is .6, alpha is 0.4 D Question 4 0.5 pts When the confidence coefficient is 75, alpha is 0.25 Question 5 0.5 pts To construct a confidence interval for the mean you will need O a point estimate. the expected value from the underlying distribution. O a p-value. the maximum value of the distribution