(Solved): The probability that a patient recovers from a stomach disease is 0.7 . Suppose 20 people are known ...

The probability that a patient recovers from a stomach disease is 0.7 . Suppose 20 people are known to have contracted this disease. (Round your answers to three decimal places.) (a) What is the probability that exactly 12 recover? (b) What is the probability that at least 10 recover? (c) What is the probability that at least 12 but not more than 19 recover? (d) What is the probability that at most 15 recover? You may need to use the appropriate appendix table or technology to answer this question. Show My Work (opttonal)