Mathematics, 01.03.2021 21:30 aishacobb
In its Fuel Economy Guide for 2013 model vehicles, the Environmental Protection Agency gives data on 1108vehicles. There are a number of high outliers, mainly hybrid gas-electric vehicles. If we ignore the vehicles identified as outliers, however, the combined city and highway gas mileage of the other 1093 vehicles is approximately normal with mean 21.9 mpg and standard deviation 5.1 mpg. 2013 Volkswagon Beetle with a five-cylinder 2.5L engine and automatic transmission has combined gas mileage 25 mpg. What percent (± 0.1) of all vehicles have better gas mileage than the Beetle (use software)?
Answers: 1
Mathematics, 21.06.2019 14:20, priscillavaladez1112
Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
Mathematics, 21.06.2019 14:30, smith3mgy
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
Answers: 1
In its Fuel Economy Guide for 2013 model vehicles, the Environmental Protection Agency gives data on...
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