A Manufacturer Claims That Less Than 1% of All His $\alpha$

Multiple Choice

A manufacturer claims that less than 1% of all his products do not meet the minimum government standards. A survey of 500 products revealed ten did not meet the standard.

A) If $\alpha$ = .01, the critical value is z = -2.33
B) If $\alpha$ = .01, the critical value is z = 2.33
C) If $\alpha$ = .01, the critical value is z = -1.96
D) If $\alpha$ = .01, the critical value is z = 1.96
E) If $\alpha$ = .01, the critical value is z = -2.58