Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent study, 82 patients with Type 2 diabetes underwent this procedure, and 59 of them experienced a recovery from diabetes. Assume that you want to test the claim that greater than 58% of those with diabetes who undergo this surgery will recover from diabetes? Use the = 0.10 level of significance. Find the critical number (z or t) that is corresponding to the given significance level. Round to 4 decimal places. (Enter the value ONLY)