QUESTION

# Department of Management A publisher of a magazine wishes to estimate the percentage of subscribers who will renew their subscriptions.

Suppose the publisher had found through past experience that 60% of its subscribers renew their subscriptions. If the publisher specifies a 95% confidence level and a margin of error 0.02 in estimating the percentage of subscribers who will renew, the number of subscribers in the sample is at least

(a) 980 (b) 1,024 (c) 1,692  √ (d) 2,305 (e) 2,401

10. Suppose the publisher had found through past experience that 60% of its subscribers renew their subscriptions. Because it is heading into a business recession, the publisher wants to determine if there is a reduction in the percentage of renewal. In a random sample of 200 subscribers, 108 of them indicated that they will renew their subscriptions. The publisher will conclude that there is a significant reduction in renewal at a significance level of

(a) 0.01 (b) 0.02 (c) 0.025  √ (d) 0.05 (e) 0.10

could u solve for me?