Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box of vegetables to be 172 of. with a standard deviation of 8 oz. He wonders what percent of the vegetable boxes he has grouped for sale will have a weight less than 164 oz.
Carl calculates the z-score corresponding to the weight 164 oz. ____
Using the table (column 00). Carl sees the area associated with this z-score is 0. ____
Carl rounds this value to the nearest hundredth or 0. ____
Now, Carl subtracts 0.50 - 0.34 = 0. ____ or ____%