SOLUTION: The average stay in a hospital for a certain operation is 6 days with a standard deviation of 2 days. If the patient has the operation, find the probability that she will be hospit

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Question 1159492: The average stay in a hospital for a certain operation is 6 days with a standard deviation of 2 days. If the patient has the operation, find the probability that she will be hospitalized more than 7 days.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z=(x-mean)/sd
=(7-6)/2
=+0.5
prob. z >0.5 is 0.3085