A manager wishes to estimate a population mean using a 95% confidence interval estimate that has a margin of error of ±44.0.If the population standard deviation is thought to be 680,what is the required sample size?
A) 1215
B) 871
C) 1050
D) 918
Correct Answer:
Verified
Q146: Suppose a study estimated the population mean
Q148: At issue is the proportion of people
Q149: A pilot sample of 75 items was
Q150: A public policy research group is conducting
Q156: Even before the record gas prices during
Q157: Compute the 90% confidence interval estimate for
Q157: A survey of 499 women for the
Q161: What are the disadvantages of using a
Q169: The sampling distribution for a proportion has
Q173: A human resources manager wishes to estimate
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents