Answer all four questions with explanation

b. What is the probability of having ulcer? Answer in exact fraction, or rounded to at least 4 decimal places c. What is the probability of developing ulcer among the people who don't consume alcoholic drinks? Answer in exact fraction, or rounded to at least 4 decimal places d. What is the probability developing ulcer among the people who consumed more than two alcoholic drinks? Answer in exact fraction, or rounded to at least 4 decimal placesSuppose, a researcher wants to conduct a study to determine whether drinking alcoholic beverages has an effect on the bacteria that cause ulcers and for this purpose she conducted an experiment among 180 people and developed the following table Developing Ulcer No. of Alcoholic drinks consumed per day Total Ulcer No Ulcer None A 21 B OneTwo 41 C Y8 More than two D E 49 Total F 82 180 a. What is the probability of consuming onetwo alcoholic drinks? Answer in exact fraction, or rounded to at least 4 decimal places