K The accompanying data are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier. If 100 calls were randomly sampled, how many calls lasted 15 minutes or longer? Time (in Minutes) OA. 26 OB. 10 OC. 74 OD. 14 Relative Frequency 0 but less than 5 5 but less than 10 10 but less than 15 0.37 C 0.22 0.15 et 15 but less than 20 0.10 20 but less than 25 0.07 25 but less than 30 0.07 30 or more 0.02