Defects in Marble Countertops Usually Require the Whole Top to Be

Multiple Choice

Defects in marble countertops usually require the whole top to be reconstructed.In one kitchen shop, the percent defective in the past has been one percent.If a sample size of 30 is taken, what should the 95.5 percent upper control limit be?

A) 0.030
B) 0.000
C) 0.046
D) 0.064