CO2, the owner of an apple plantation, plans to replace the brand of fertilizer that they currently use if the harvest for the current month is lower than 58 tons/ha. It is known that his farm's monthly yield follows the normal distribution with mean 65 tons/ha and variance 25 tons2/ha2. A. What is the probability that the brand of fertilizer currently used will be replaced? B. What would be the maximum yield of his lowest 15% monthly harvests?

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CO2, the owner of an apple plantation, plans to replace the brand of fertilizer that they currently use if the harvest for the current month is lower than 58 tons/ha. It is known that his farm's monthly yield follows the normal distribution with mean 65 tons/ha and variance 25 tons2/ha2.

A. What is the probability that the brand of fertilizer currently used will be replaced?

B. What would be the maximum yield of his lowest 15% monthly harvests?

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