The probability that a realtor has less than 10 years of service is 0.875. The probability that a realtor has at least 10 but less than 20 years of service is 0.104. The probability that a realtor earns less than $100,000 annually given less than 10 years of service is 0.984. The probability that a realtor earns less than $100,000 annually given at least 10 but less than 20 years of service is 0.476. The probability that a realtor earns at least $100,000 annually given at least 20 years of service is 0.988.
a. Create a contingency table based on these probabilities.
b. Does a realtor earning at least $100,000 annually depend on having at least 10 years of service?