et X- N(4, 1), Y ~ N(0, 6) and Z ~ N(0, 1). Suppose the probability density function (pdf) curves are plotted on the ame set of axes. Which of the following statements is false? elect one: The pdf curves of Y and Z have the same position but have different heights. The pdf curves of X and Y have different positions and different heights. All the other options are false. Fewer than half the values of X are negative. Fewer than half the values of Y are greater than 4.

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