Sue 8

Most popular questions and responses by Sue 8
1. math

Suppose that a hypothesis test is to be carried out by using á = 0.05. What is the probability of committing a type I error? (Give your answer correct to two decimal places.) I can not figure out the formula for this I have tried several and they do not

2. math

The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's

3. Math

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.)

4. math

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

5. math help

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

6. Math Help

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.

7. Math check

Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. =.44 my answer . (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91.

8. math

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. (Enter your answers to two decimal places.) \$ .

9. Math help

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. (Enter your answers to two decimal places.) \$

1. math help

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

posted on June 22, 2013
2. math

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

posted on June 21, 2013
3. math

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?

posted on June 21, 2013