9 Mrs. Robertson has recently been diagnosed with Type 2 diabetes and the doctor has given her the following information about the disease. 70% of the time patients who add 30 minutes of cardio a day can reverse the disease and can return to their normal activities within 6 months. For those who do not return to their normal activities, 15% of the patients require insulin therapy while the rest must take oral medication. Of those patients that take the oral medication, after 1 year 85% will reverse the disease and can return to their normal activities. Of those patients that take insulin, after 1 year 5% will reverse the disease and can return to their normal activities. Find the probability that Mrs. Robertson will return to her normal activities