Question
You are given the sample mean and the population standard deviation. Use this information to construct the90% and95% confidence intervals for the population mean. Which
You are given the sample mean and the population standard deviation. Use this information to construct the90% and95% confidence intervals for the population mean. Which interval iswider? Ifconvenient, use technology to construct the confidence intervals.A random sample of 46gas grills has a mean price of $647.90. Assume the population standard deviation is $56.40.
The90% confidence interval is?(Round to one decimal place as needed.)
The 95% confidence interval is? (Round to one decimal place as needed.)
Which interval is wider? Choose the correct answer below.
The 90% confidence interval
The 95% confidence interval
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