IDNLearn.com is the perfect place to get detailed and accurate answers to your questions. Our Q&A platform offers reliable and thorough answers to ensure you have the information you need to succeed in any situation.

How many students must be randomly selected to estimate the mean weekly earnings of students at one​ college? we want​ 95% confidence that the sample mean is within ​$3 of the population​ mean, and the population standard deviation is known to be ​$26.
a.408
b.203
c.289
d.254


Sagot :

We value your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. IDNLearn.com has the solutions you’re looking for. Thanks for visiting, and see you next time for more reliable information.