Suppose that your plum tree has a PA of 20 lbs of plums per year. Suppose that trees in your orchard produce 2000 lbs of plums per year on average. If the standard deviation in the temporary environmental effects on plum production is 15 lbs per year for trees in your orchard, what is the approximate probability that your plum tree will produce at least 2020 lbs of in a given year?
Added by Meghan F.
Step 1
First, we need to find the z-score for 2020 lbs of plums. The z-score is calculated as: z = (X - μ) / σ where X is the value we want to find the probability for (2020 lbs), μ is the average plum production (2000 lbs), and σ is the standard deviation of the Show more…
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