9 of 16 The following contingency table shows the soft drinks preferences of people in three age groups: Age (Years) Cola Root Beer Lemon Total Under 21 40 15 35 90 21-40 35 30 30 95 Over 40 20 30 10 60 Total 95 75 75 245 a. What is the probability that a randomly selected person prefers root beer? Round to three decimal places if necessary b. If one person is randomly selected, what is the probability that this person is between 21 and 40 years of age and prefers cola? Question 9 of 16 c. If one person is randomly selected, what is the probability that this person is under 21 years old OR the person prefers cola? Round to three decimal places if necessary d. Given that a person is randomly selected from over 40 years age group, what is the probability that the person prefer lemon? Round to three decimal places if necessary e. If two people are randomly selected, what is the probability that both of them are over 40 years old? Round to four decimal places if necessary