In 1998 a San Diego reproductive clinic reported 49 births to 207 women under the age of 40 who had previously been unable to co
nceive.
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
1 answer:
Answer:
828
Step-by-step explanation:
To cut the margin of Error in half, the clinic needs quadruple of the sample size.
If the sample size is 207 women,
Then quadruple of 207 = 4 * 207 = 828
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