Question: I bought a box with 500 LED mini lights for wedding decoration. My sample mean was 100 LED mini lights to ensure they work. My

I bought a box with 500 LED mini lights for wedding decoration. My sample mean was 100 LED mini lights to ensure they work. My standard deviation was 25 LED mini lights that found to be defective. The population distribution is assumed to be normal.

c. Construct a 95% CI for the population mean and state the EBM (error bound) and confidence interval.

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