SOLUTION: The recovery rate of cattle from a certain disease is 0.22. If 200 cattle are affected what is the probability that at least 51 will recover?
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Question 383496: The recovery rate of cattle from a certain disease is 0.22. If 200 cattle are affected what is the probability that at least 51 will recover?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Use the normal approximation to the binomial distribution:
n = 200, p = 0.22, q = 0.78, , and . Then . Thus .
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