In a survey of 3359 adults, 1486 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results.

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A: This question can be solved using formula for reducing powers cos A2=1+cos(2A)2

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A: Given information: μ=151000σ=35000 n=77

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A: An inner city revitalization zone is a rectangle that is twice as long as it is wide. A diagonal…

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A: COst function C(x) = 0.001x3+0.2x2+38x+250where x = no. of items producedNow, if x = 30 then C(x) =…

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A: Basic concept of discrete probability distribution are used

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A: The following is the formulae to calculate Weighted Average (W)…

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.