A Random Sample of Clients at a Weight Loss Center $95 \%$

Multiple Choice

A random sample of clients at a weight loss center were given a dietary supplement to see if it would promote weight loss. The center reported that the 100 clients lost an average of 48 pounds, and that a $95 \%$ confidence interval for the mean weight loss this supplement produced has a margin of error of $\pm 7$ pounds.

A) $95 \%$ of the people who use this supplement will lose between 41 and 55 pounds.
B) The average weight loss of clients who take this supplement will be between 41 and 55 pounds.
C) $95 \%$ of the clients in the study lost between 41 and 55 pounds.
D) We are $95 \%$ sure that the average weight loss among the clients in this study was between 41 and 55 pounds.
E) We are $95 \%$ confident that the mean weight loss produced by the supplement in weight loss center clients is between 41 and 55 pounds.