Which shows the number of people in the study by age group and percentage of invest- ments in the stock market. 1 Use the conditional probabilities that will have 5% or less of investments in the stock market for given the following three groups, someone 65 or older, between 50 and 65, and between 30 and 50, to verify if the common sense is true or not. Explain your reasons clearly. Here we dont consider the youngest (< 30) investors behavior since they are too young to make investment decision.