PART B. A concerned citizen wants to determine if the chlorine content of their water is still safe to drink. By health standards, the mean allowable chlorine content should be at most 1 mg/L. The...

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Extracted text: PART B. A concerned citizen wants to determine if the chlorine content of their water is still safe to drink. By health standards, the mean allowable chlorine content should be at most 1 mg/L. The health of the people will be at risk if the chlorine content exceeds the said value. To verify this, he L randomly selected 50 water samples from different houses and analyzed their chemical content. Icon made by smallikeart from www flaticon.com 1. Define the statistic of interest in symbols and words. 2. Suppose a 95% confidence interval for the true mean. (0.495, 1.305) mg/L. Interpret this interval in the context of the given prob. 3. Formulate the appropriate null and alternative hypotheses in symbols and words. ontent of computed to be