View Policies Current Attempt in Progress Suppose a small town in British Columbia contains 1,000 houses. A sample of 90 houses is selected randomly and evaluated by an appraiser. If the mean appraised value of a house in this town for all houses is $278,000, with a standard deviation of $10,900, what is the probability that the sample average is greater than $289,000? (Round the values of z to 2 decimal places, e.g. 1.25. Round your answer to 4 decimal places, e.g. 0.7578.) Appendix A Statistical Tables eTextbook and Media Save for Later Attempts: 0 of 1 used Submit