AGE | MINDTAP Q Search this course Between Two Population Means: Sigmas Known) O Check My Work O The following results come from two independent random samples taken of two populations. Sample 1 Sample 2 n1 = 50 n2 = 30 X1 = 13.7 2 = 11.4 01 = 2.5 02 = 3.2 a. What is the point estimate of the difference between the two population means? (to 1 decimal) b. Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). c. Provide a 95% confidence interval for the difference between the two population means (to 2 decimals). Check My Work Icon Key DEC astv