Posted by **Help Please! ** on Tuesday, November 26, 2013 at 6:03pm.

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study, 449 babies were born, and 250 of them were girls. Use the sample data with .01 significance level to test the claim that with this method, the probability of a baby being a girl is greater than 0.5.

a.) What is the hypothesis test to be conducted?

b.) What is the test statistic? Z=? (round to 2 decimal places)

c.) What is the P-value? (round to 4 decimal places)

d.) What is the conclusion?

e.) Does the method appear to be effective?

Which formulas do i need?

## Answer This Question

## Related Questions

- statistics - A clinical trial tests a method designed to increase the ...
- Statistics - A clinical trial tests a method designed to increase the ...
- Statistics - A clinical trial tests a method designed to increase the ...
- statistics - A clinical trial tests a method designed to increase the ...
- statistics - A clinical trial test a method designed to increase probability of ...
- statistics - Ignoring twins and other mutiple births, assume babies born at a ...
- CHEM - The following data were collected for determining the concentration of ...
- statics - In a given year every 100 babies born, there were 6 more boys than ...
- chem - The following state were collected for determining the concentration of ...
- Chem - The following state were collected for determining the concentration of ...

More Related Questions