Leah's Toys produces molded plastic baby rattles. These rattles must be completely smooth. That is, there can be no rough edges where the molded...

​Leah's Toys produces molded plastic baby rattles. These rattles must be completely smooth. That​ is, there can be no rough edges where the molded halves fit together. Rattles are judged to be either acceptable or defective with regard to this requirement.​ Leah's has determined that the current process has an underlying​ p value of