22. A random sample of 30 full-term babies' birth weights shows a mean of 7 pounds and a standard deviation of 0.6 pounds. Find a 95% confidence interval for the population mean of full-term babies' birth weights and interpret your results. a. Test the conditions. b. Calculate the margin of error. (round to 2 decimal places) с. Determine the confidence interval. (round to 2 decimal places) d. Interpret your results.

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22. A random sample of 30 full-term babies' birth weights shows a mean of 7 pounds and a standard deviation
of 0.6 pounds. Find a 95% confidence interval for the population mean of full-term babies' birth weights
and interpret your results.
а.
Test the conditions.
b.
Calculate the margin of error. (round to 2 decimal places)
с.
Determine the confidence interval. (round to 2 decimal places)
d.
Interpret your results.
Transcribed Image Text:22. A random sample of 30 full-term babies' birth weights shows a mean of 7 pounds and a standard deviation of 0.6 pounds. Find a 95% confidence interval for the population mean of full-term babies' birth weights and interpret your results. а. Test the conditions. b. Calculate the margin of error. (round to 2 decimal places) с. Determine the confidence interval. (round to 2 decimal places) d. Interpret your results.
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