On past experience a farmer knows that on average a paddock produces 1000kg of potatoes with a standard deviation of 80k
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On past experience a farmer knows that on average a paddock produces 1000kg of potatoes with a standard deviation of 80k
On past experience a farmer knows that on average a paddock produces 1000kg of potatoes with a standard deviation of 80kg. What is the probability that this year the paddock produces less than 950kg of potatoes