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Mathematics, 24.09.2020 01:01 vtrvfrfvrvfvnkjrf

A random sample of college students majoring in cinematography were surveyed about their movie habits. One question in the survey asked, “How many documentaries have you watched in the past month?” The table below represents the probability density function for the random variable X, the number of documentaries watched by cinematography majors in the past month. Find the standard deviation of X.

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