Mathematics, 23.10.2019 04:00 cookiemonster0476
Amarketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store. assume that the money spent by the population of shoppers follow a normal distribution with a standard deviation of $21.51. what is the probability that the average money spent by a sample of 40 shoppers is within $10 of the actual population mean.
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Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
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Amarketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppe...
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