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Mathematics, 10.07.2019 05:20 aek02
In january 2011, the united states saw an increase in gas prices. imagine the average price per gallon was $3.12 with a standard deviation of $0.27, according to a source such as aaa (automobile association of america) that tracks gas prices. adam is on his long mid-semester break, so he and some of his friends decide to go on a 3000-mile road trip. he records the price of gas each of the 10 times they fill up the tank, and he computes an average price per gallon of $3.16. what percent of other sample means, based on 10 gas stations, would be greater than the one adam observed? (round z score to two decimal places.)
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In january 2011, the united states saw an increase in gas prices. imagine the average price per gall...
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