Question 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.
• Round the final answer to two decimal places.
X
P(X = x)
1/5
4
6
2/5
8
2/5
Provide your answer below:
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