Mathematics
Mathematics, 06.06.2021 14:00, SKYBLUE1015

PLEASE HELP! 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. Decrease the sample size to 36. B. Increase the standard deviation to 10. C. Increase the confidence level to 99.7%. O D. Increase the sample size to 64. SUBMIT​


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

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