(p. 45). Of the 1,576 firms that responded to the survey, 1,260 (or 80%) expect to experience a cyberattack (e.g., a Malware, hacking, or phishing attack) during the year. Estimate the probability of an expected cyberattack at a firm during the year with a 90% confidence interval. Explain how 90% is used as a measure of reliability for the interval.