exam Maths Puzzle Numerical Ability

I am looking for the 95% confidence interval estimate of the true population for the following:


If the governor election were held today, would you vote for Martinez or Pajci

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exam Other Question

In how many ways can a student work 7 out of 10 questions on an exam? Find the equation of a line passing through the points (3,6) and perpendicular to the line y=x+7