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1. Conditional probabilities can be found by creating a two-way frequency table.
2. About 14%25 of senior citizens (65 years or older) get the flu each year. However, about 24%25 of the people under 65 years old get the flu each year. In the general population, there are 12.5%25 senior citizens. What is the probability that a person selected at random from the general population is a senior citizen who will ge tthe flu this year?