Mathematics, 05.06.2021 01:00 kendalljanae

A 95% confidence interval is found to be (28, 32). The sample standard deviation is 7, and the sample size is 49. If you wanted a smaller interval,
what could you do?
A. None of these
B. Increase the confidence level to 99.7%.
C. Decrease the sample size to 36.
Ο Ο
D. Increase the sample size to 64.

A 95% confidence interval is found to be (28, 32). The sample standard

deviation is 7, and the sa

Answers: 1

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