Answer:
x = 4
Step-by-step explanation:
4(2x + 5) = 52 ( divide both sides by 4 )
2x + 5 = 13 ( subtract 5 from both sides )
2x = 8 ( divide both sides by 2 )
x = 4
Answer:
C The probability values do not add to 1
Step-by-step explanation:
Given
The above table
Required
Why is it not a probability distribution
In probability, the sum of all probabilities must equal 0.
But in this case:
Because:
Hence:
Option (c) answers this question