10.1 Practice Assignment: 10.1 Practice (Practice) Questions Exercise 10.01 (Inferences About the Difference Between Two Population Means: Sigmas Known) 1. 2. The following results come from two independent random samples taken of two populations. 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). Sample 1 Sample 2 12=35 n = 50 113.6 01 = 2.2 2-11.6 0 = 3 Icon Key Exercise 10.01 (Inferences About the Difference Between Two Population Means: Sigmas Known)