Sue 8

I have no ideal how to work this. I need help please. A sample of 30 of 178 funded projects revealed that 12 were valued at $17,360 each and 18 were valued at $20,280 each. From the sample data, estimate the total value of the funding for all the projects...

How large a sample should be taken if the population mean is to be estimated with 95% confidence to within $75? The population has a standard deviation of $898. (Round you answer up to the nearest whole number.)

Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence given...

so you don't think I am homework dumping these are the answers that I came up with and they were wrong. (a) .8259 and (b).9732 I am not sure if I am using the correct formula or not

thank you, but the answer is wrong.I had the last answer right but wrong on the top is why it would never work out for me. When I add the above up it comes to 37640 and that is wrong so I added 37640.00 and that is wrong also. Any suggestions?

so you don't think I am homework dumping these are the answers that I came up with and they were wrong. (a) .8259 and (b).9732 I am not sure if I am using the correct formula or not

Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence given...