E Homework: 3.4 Chapter 8 Homework Question 12, 8.2.24 HW Score: 14.67%, 8.8 of 60 points Save O Points: 0 of 2 Construct a 90% confidence interval for , - , with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval construction formula below. Assume the populations are approximately normal with unequal variances. Stats x, = 150 mg, s, =3.93 mg, n, =16 X2 = 103 mg, S2 = 2.19 mg, n2 = 12 Confidence interval when (* 1 - * 2 ) - to my nz