Given a 95 confidence interval for mu1mu2 as 5 1 What can be

Given a 95% confidence interval for mu1-mu2 as (-5, -1). What can be concluded?

mu1=mu2

mu1= -5 or 5 and mu2 = 10 or 5

nothing

mu1<mu2

mu1>mu2

mu1<mu2 because this CI is on left of 0, implying that mu1 - mu2 is significantly lower than zero.

D.	mu1<mu2 because this CI is on left of 0, implying that mu1 - mu2 is significantly lower than zero.