A manufacturer of microwave ovens wants to know what percentage of all of their microwave ovens are defective. When 450 of their microwave ovens are selected at random and examined,0.4% are found to be defective. A.describe the population of interest b. Describe the sample. C describe/find the parameter d. Describe/ find the statistic. E. Is the 0.4% a parameter or a statistic in this scenario? Why?