The following data were obtained from a survey of college students

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The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months. 

 

x 0 1 2 3 4 5 6 

P (X=x) 0.55 0.15 0.10 0.10 0.04 0.03 0.03 

What is the variance of X? Place your answer, rounded to two decimal places in the blank. For example, 4.56 would be a legitimate entry. 

  • 9 years ago
The following data were obtained from a survey of college students
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