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Mathematics, 30.03.2020 20:14 yyy77uh
Suppose it is known that the distribution of purchase amounts by customers entering a popular retail store is approximately normal with mean $100 and standard deviation $10. What is the probability that a randomly selected customer spends less than $105 at this store?
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3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6
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