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[3 pts] We want to construct a 90% confidence interval estimating the average resting heart rate for a newborn baby. If the population standard

[3 pts] We want to construct a 90% confidence interval estimating the average resting heart rate for a newborn baby. If the population standard deviation is = 19 beats per minute, and we want the margin of error for our confidence interval to be under 4 beats per minute (our confidence interval shouldn't be wider than 8 beats per minute). What is the minimum sample size we should collect?

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