Assume a standard Normal distribution. Draw a well-labeled Normal curve for each part. a. Find the z-score that gives a left area of 0.6739. b. Find the z-score that gives a left area of 0. 1313. a. z= (Round to two decimal places as needed.) Choose the correct answer below. O A. O B. OC. OD. W- -3 -1 3 -1 LA- 13 -1 3 z-score z-score z-score z-score b. z = (Round to two decimal places as needed.)