Find probability distribution for y number of impurities

Reference no: EM131027835

When the health department tested private wells in a county for two impurities commonly found in drinking water, it found that 20% of the wells had neither impurity, 40% had impurity A, and 50% had impurity B. (Obviously, some had both impurities.) If a well is randomly chosen from those in the county, find the probability distribution for Y ,the number of impurities found in the well.

Reference no: EM131027835

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