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8). A 99% confidence interval for the population mean y is determined to be (65.32 to 73.54). If the confidence level is reduced to 90%, the 90% confidence interval for å A. becomes wider B. becomes narrower C. remains unchanged D. None of the above answers are correct.

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thank. you for help
8). A 99% confidence interval for the population mean y is determined to be (65.32 to 73.54). If the confidence level is reduced to 90%, the 90% confidence interval for å A. becomes wider B. becomes narrower C. remains unchanged D. None of the above answers are correct.

4OXUNEThe Asker · Probability and Statistics

thank. you for help

Transcribed Image Text: 8). A 99% confidence interval for the population mean y is determined to be (65.32 to 73.54). If the confidence level is reduced to 90%, the 90% confidence interval for å A. becomes wider B. becomes narrower C. remains unchanged D. None of the above answers are correct.

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Transcribed Image Text: 8). A 99% confidence interval for the population mean y is determined to be (65.32 to 73.54). If the confidence level is reduced to 90%, the 90% confidence interval for å A. becomes wider B. becomes narrower C. remains unchanged D. None of the above answers are correct.

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6XCD7H

false

If we decrease the confidence level. Then the width of confidence interval is also decreases.Hence if the conf ... See the full answer