In a sample of 80 Toyota cars, 45% of them got 28 miles pergallon, while a sampl

Question

In a sample of 80 Toyota cars, 45% of them got 28 miles pergallon, while a sample of 100 Hyundai cars showed that 42% ofthem got 28 miles per gallon. If Toyota cars are considered to be the first proportion, whatwould be the value of x1? I keep coming up with the value of x1 to be 44 and this is theincorrect answer. In a sample of 80 Toyota cars, 45% of them got 28 miles pergallon, while a sample of 100 Hyundai cars showed that 42% ofthem got 28 miles per gallon. If Toyota cars are considered to be the first proportion, whatwould be the value of x1? I keep coming up with the value of x1 to be 44 and this is theincorrect answer.

Explanation / Answer

If Toyota cars are considered to be the firstproportion, then the value of x1 = 80*0.45 =36

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