please help me find the min sample size!

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that the mean income is , and the variance is known to be . How large of... more


Standard Deviation

Suppose we take a sample of size 47 from a population with μ  = 30 and σ= 49What is the standard deviation of the sampling distribution of mean? σ = _____ (round to 1 decimal)Suppose you want to... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.