hmariek7727 hmariek7727 21-11-2019 Mathematics contestada In 1998 a San Diego reproductive clinic reported 49 births to 207 women under the age of 40 who had previously been unable to conceive. The clinic wants to cut the stated margin of error in half. How many patients' result must be used? A. 103 B. 25 C. 828 D. 158 E. 79