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Annapetrik
15.04.2020 •
Mathematics
Profit and weather: from past experiences, a wheat farmer ling in manitoba,Cananda finds that his annual profit(in canada dollars) is $80,000 if the summer weather is typical,$50,000 if the weather is unusually dry, and $20,000 if there is a severe storm that destroys much of his crop. weather bureau records indicate that the probability is 0.70 of typical weather, 0.20 of unusually dry weather, and 0.10 of a severe storm. In the next year, let X be the farmer's profit.
Suppose the farmer buys insurance for $3500 that pays him $20,000 in the event of a severe storm that destroys much of the crop and pays nothing otherwise. Find the probability distribution of his profit. Find the mean and summarize the effect of buying this insurance.
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Ответ:
Since (AB) ̅≅(AD) ̅ (the lines beside the parentheses are to show that they are lines) we have congruent hypotenuses. (AC) ̅≅(AC) ̅ so legs are ≅ So, es; ΔACB≌ΔACD by HL. The answer is D.Yes; ΔACB≌ΔACD.
Hope this helped!