x | P(x) |
0 | 0.15 |
1 | 0.2 |
2 | 0.15 |
3 | 0.5 |
Find the mean of this probability distribution. Round your answer to one decimal place.
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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