Exam: MSTE-00 Problem Set 7

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Question 1

The Department of Health encourages elderly people to have a flu vaccination each year. The vaccination reduces the likelihood of getting a flu from 40% to 10%. If 45% of the elderly people visiting the doctor have the vaccination, find the probability that an elderly person chosen at random had the vaccination, given that they get flu.

0.045

0.330

0.170

0.265