Problem 1 4.0 points possible (graded, results hidden) 18% of the people in America are born with Down's syndrome. It is found that 55% of people suffering from Down's syndrome eventually develop Alzheimer's and 42% of those without Down's syndrome develop this condition. a. What is the probability that a randomly selected person develops Alsheimer's? Answer in exact fraction, or rounded to at least 4 decimal places b. If a randomly selected person does not develop Alzheimer's, What is the probability of them not having Down's syndrome? Answer in exact fraction, or rounded to at least 4 decimal places c. If a randomly selected person develops Alzheimer's eventually, What is the probability of them having Dcwn's syndrome? Answer in exact fraction, or rounded to at least 4 decimal places