Antibiotic resistance is a growing problem in hospitals. Some antibiotics become less effective in clearing infections over time. Currently, a particular antibiotic can successfully treat 17/20 cases of urinary tract infections. a) Express this as a decimal and a percentage. b) After this antibiotic has been in use for a few years, some bacterial strains become resistant and the medication is found to be 34% less effective. What is the probability that it can cure an infection now