Stats Question ? [Prev. Q.] [Next Q.] [Prev. Chap.] [Next Chap.] [goto]

In a town of 5,000 people, a survey was done to see how many people smoked cigarettes. A random sample of 500 people was drawn, of those people only 175 out of the 500 smoked. What would be the 95% confidiance interval for the population percentage? 30.6 to 39.4 31.5 to 38.5 33 to 37 32.8 to 37.2 30 to 38

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998