Probability of .2 15 with a probability of .35. how much, Ask an Expert

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A lab orders a shipment of 100 mice a week, 52 weeks a year, from a rat supplier for experiments that the lab conducts. Prices for each weekly shipment of rats follows the distribution below $10 with a probability of .45, 12.5 with a probability of .2, $15 with a probability of .35. How much should the lab budget for next year's rat orders assuming the distribution stays the same.

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