In a Study to Examine Motivational Techniques to Help Adolescent

In a study to examine motivational techniques to help adolescent smokers to quit smoking,the null hypothesis states that the intervention will have no effect on this population.The researcher establishes a level of significance of 0.01.When analyzing the data,the researcher concludes that there is a significant difference between subjects receiving the intervention and those who do not.In this study,a type I error means there is a

A) 1% chance that the conclusion is wrong.
B) 1% chance that the conclusion is correct.
C) 99% chance that the conclusion is wrong.
D) 99% chance that the null hypothesis is correct.