At one hospital, a random sample of 100 women giving birth to their first child is selected. among this sample, the mean age was 26.3 with a standard deviation of 4.9. Estimate the mean age of all women giving birth to their first child at this hospital. Give the 95% confidence interval to two decimal places.

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The Answer of At one hospital, a random sample of 100 women giving birth to their first child is selected. among this sample, the mean age was 26.3 with a standard deviation of 4.9. Estimate the mean age of all women giving birth to their first child at this hospital. Give the 95% confidence interval to two decimal places.

At One Hospital, a Random Sample of 100 Women Giving