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7. Sampling Distributions & Confidence Intervals: Mean - Parte 1 di 2!
7. Sampling Distributions & Confidence Intervals: Mean / Confidence Intervals for Population Mean / Problema 9
Problema 9

The annual salaries (in units of dollars) for 1010 randomly chosen dental hygienists are listed below. Assume the population is normally distributed.

Construct a 95%95\% confidence interval for the population mean annual salary for dental hygienists. Round your answer to the nearest whole number.