The Associated Press poll on nuclear power is based on telephone interviews with 1,002 randomly selected adults from all states except Alaska and Hawaii. The interviewing was conducted April 18-23 by ICR, of Media, Pa.

The results were weighted to represent the population by key demographic factors such as age, sex, region and education.

No more than one time in 20 should chance variations in the sample cause the results to vary by more than 3 percentage points from the answers that would be obtained if all Americans were polled.

This margin of sampling error is larger for responses of subgroups, such as income categories. There are other sources of potential error in polls, including the wording and order of questions.

The AP poll questions (because of rounding, sums may not total 100 percent):

1. Do you support or oppose using nuclear power to generate electricity? Support, 50 percent; oppose, 30 percent; don't know, 19 percent; refused to answer, 1 percent.

2. (Asked only of the 518 respondents who support nuclear power) Would you support or oppose the construction of a nuclear power plant within 10 miles of your home? Support, 55 percent; oppose, 40 percent; Don't know, 5 percent.

3. Do you think nuclear power plants in the United States are safer now than they were 10 years ago, or not? Safer, 65 percent; not safer, 18 percent; don't know, 17 percent.

4. Do you think radioactive waste from nuclear power plants can be safely stored for many years, or not? Yes, 37 percent; no, 45 percent; don't know, 18 percent.

5. How would you rate the likelihood of a serious accident at a nuclear power plant in the United States _ highly likely, likely, unlikely or highly unlikely? Highly likely, 11 percent; likely 33 percent; unlikely, 29 percent; highly unlikely, 21 percent; don't know, 6 percent.