x
P(x)
0
0.25
1
0.25
2
0.25
3
0.25
Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity