Look at this scatter chart. There will be a quiz. Another dot is going to be added to this chart, in line with the distribution you see here. You get to choose what the X value of the dot is â?? and your aim is to get a Y value of greater than zero. So hereâ??s the question: at what value of X are you going to have a 95% chance of getting a dot above the axis, in positive territory on the Y axis? . .
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