Question: SECURITY BREACHES In a survey of 106 senior information technology and data security professionals at major U.S. companies regarding their confidence that they had detected all significant security breaches in the past year, the following responses were obtained.
What is the probability that a respondent in the survey selected at random
a. Had little or no confidence that he or she had detected all significant security breaches in the past year?
b. Was very confident that he or she had detected all significant security breaches in the past year?