Hi This Question is a totally Wrong.

Results 1 to 2 of 2

- April 10th 2013, 12:02 PM #1

- Joined
- Mar 2012
- From
- LA
- Posts
- 68

## Some Help, Please

In A Random Sample of 678 ADULT MALES 20 TO 34 Years of age, it was deermined that 58 of them have hypertension.

Part C-

You wish to conduct your own study to determine the proportion of adults of 20-35 years old who have hypertension. What sample size would be needed for the estimate to be within 3 percentage points with 95% confidence if you use the point estimate in part a.

part a was obtain a point estimate for the portion. 58/768=.085

Okay this is what I did, .085(1-.085)(1.96/.03)^2 and I got 54.42...

The answer is suppose to be 336, I am wondering what i did wrong here.

- June 23rd 2013, 11:41 PM #2

- Joined
- Jun 2013
- From
- Bangalore
- Posts
- 63
- Thanks
- 1