Determine the empirical formula of pyrolusite
If 63% of the mass of pyrolusite is due to manganese, determine the empirical formula of pyrolusite when the mineral pyrolusite is a compound ofmanganese-55 and oxygen-16.
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Determine probability that randomly selected student score more than 80 points? If top 2.5% of test scores recurveerit awards, find lowest eligible for the award?
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The sample of 115 individuals in executive, administrative, and managerial occupation will be chosen. Find probability that sample mean will be greater than $27?
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