Problem: Suppose the expected number of hepatocellular carcinoma cases among Taiwanese children 4 to 6 years of age is 5 cases over a 4-year period.
Required:
Question: What is the expected value and variance for the number of hepatocellular cases among Taiwanese children 4 to 6 years of age over a 2-year period? Be detailed in your response and provide examples also. Be detailed in your response and provide examples also.