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Mathematics, 24.09.2019 05:20 carolynhstevens

Arandom sample of finance majors taking an accounting course were surveyed after completing the final exam. they were asked, “how many times did you review your final exam before handing it in to the professor? ” the table below represents the probability density function for the random variable x, the number of times students reviewed their exam before handing it in. find the standard deviation of x.
round the final answer to two decimal places.
x
p(x = x)
0
1/5
1
1/5
5
1/5
6
2/5

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