We have created a 95% confidence interval for (mu) with the result (10, 15). What decision will we make if we test H₀: = 16 versus H1: != 16, at alpha = .05? (Note: "!=" means "not equal")

a. Reject H₀

b. Accept H₀

c. Fail to reject H₀

d. Cannot tell what the decision ought to be from the information given.