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What is the population of interest

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Reference no: EM132845898

The US Department of Transportation (DOT) is tasked with maintaining the nation's 614,387 bridges. The US DOT believes the percentage of structurally deficient bridges is below 10%. A private civil engineering group found 11.9% of the 9,248 bridges it studied were, in fact, structurally deficient.

-1. What is the population of interest?

-2. What is the sample?

-3. The number 614,387 represents the ________________________________.

-4. To state that "11.9 % of all U.S. bridges are structurally deficient" represents a form of _______ statistics.

Reference no: EM132845898

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