Question

Construct a 95% confidence interval to estimate the population mean using the data below. $\bar{x}$=36 σ=9 n=40 With 95% confidence, when n = 40 the population mean is between a lower limit of and an upper limit of . (Round to two decimal places as needed.)

Name: construct a 95 confidence interval to estimate the population mean using the data below barx36 9 n40 with 95 confidence when n 40 the population mean is between a lower limit of and an upper 73635
Uploaded: 2023-05-30T05:40:16-08:00
Duration: 1 min 41 s
Channel: Robin Corrigan
Description: construct a 95 confidence interval to estimate the population mean using the data below barx36 9 n40 with 95 confidence when n 40 the population mean is between a lower limit of and an upper 73635

          Construct a 95% confidence interval to estimate the population mean using the data below.
$\bar{x}$=36 σ=9 n=40
With 95% confidence, when n = 40 the population mean is between a lower limit of  and an upper limit of .
(Round to two decimal places as needed.)

construct a 95 confidence interval to estimate the population mean using the data below barx36 9 n40 with 95 confidence when n 40 the population mean is between a lower limit of and an upper 73635

Added by Cynthia G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Robin Corrigan

05/30/2023

Step 1

Since we want a 95% confidence interval, $\alpha = 1 - 0.95 = 0.05$. Therefore, $\alpha/2 = 0.025$. Using a standard normal distribution table or calculator, we find that $z_{0.025} = 1.96$. Show more…

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Construct a 95% confidence interval to estimate the population mean using the data below. $\bar{x}$=36 σ=9 n=40 With 95% confidence, when n = 40 the population mean is between a lower limit of and an upper limit of . (Round to two decimal places as needed.)