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1. Using the following information X= num. of defective in the sample. Ho: P = .48 Ha: P .48 Sample N = 440 X =

1. Using the following information X= num. of defective in the sample.

Ho: P = .48 Ha: P .48

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N = 440 X = 214 a. Test the following hypothesis presented above Use = 0.01 b. Estimate a 95% confidence interval for the true value of the proportion.

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