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  1. C

    Oil immersion microscope

    For oil immersion microscopy, I understand that the oil is required to increase the numerical aperture, and thus the resolution, of the lens. I have tried looking into these microscopes and the only method I have seen of applying the oil is to place a dot of it on the lens and then lower the...
  2. C

    Statistics - normal distribution

    Homework Statement A plant manufactures 500 components a day with the diameter being random variable: N(8.02, 0.1^2)mm What is the probability of two randomly picked components differing by more than 0.3mm? 2. Solution I know that the solution is 0.966 The Attempt at a Solution I thought...