Find each of the following probabilities: a. Find P(Z less than or equal to - 1.44). b. Find P(Z greater than or equal to 1.99). c. Find P(1.91 less than or equal to Z less than or equal to 2.88).

Statistical Inference z 3.00 2.50 2.33 2.05 2.00 1.95 1.28 1.00 1.645 .6745 Table 6.1: 2 values for various confidence levels. Condence Intervals for Means of Populations: Case 1: Very large population and veryr large sample size. {Sample size n greater than or equal to 30.) fz 0.05, then Case 3 (see below} should be used. Linear Regression: The equation of a line is given by: y = mx + in Where: m is the slope of the line. b is the y-intercept of the line. The best fit line may be calculated by: (/1 Hr. Cr" ll ~