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Mathematics, 24.04.2020 17:05 marissa2367

Last year, sanitation engineer crews in Buffalo, New York, collected 124 tons of trash per day. Th is year, larger, more effi cient trucks were purchased. A sample of 100 truck-days shows that a mean of 130 tons of trash were collected, with a standard deviation of 30 tons. What is the probability that a sample with this mean could be drawn if the new trucks are no improvement (i. e., the population mean 5 124)?

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