A random sample of 40 part-time workers has a mean annual earnings of $3120 and a population standard deviation of $677. Compute the 95% confidence interval for μ. A random sample of 40 part-time workers has a mean annual earnings of $3120 and a population standard deviation of $677. Compute the 95% confidence interval for μ. Group of answer choices ($2910, $3330) ($1987, $2346) ($4812, $5342) ($210, $110) Flag question: Question 5 Question 5 1 pts A random sample of 56 lithium batteries has a mean life of 645 hours with a population standard deviation of 31 hours. Compute the 95% confidence interval for μ. Group of answer choices (636.9, 653.1) (539.6, 551.2) (112.0, 118.9) (712.0, 768.0)

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A random sample of 40 part-time workers has a mean annual earnings of $3120 and a population standard deviation of $677. Compute the 95% confidence interval for μ. A random sample of 40 part-time workers has a mean annual earnings of $3120 and a population standard deviation of $677. Compute the 95% confidence interval for μ. Group of answer choices ($2910, $3330) ($1987, $2346) ($4812, $5342) ($210, $110) Flag question: Question 5 Question 5 1 pts A random sample of 56 lithium batteries has a mean life of 645 hours with a population standard deviation of 31 hours. Compute the 95% confidence interval for μ. Group of answer choices (636.9, 653.1) (539.6, 551.2) (112.0, 118.9) (712.0, 768.0)
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