The y-axis is the probability density function of x( a continuous random variable).
Here's the solution I tried:
Is this correct?
2026-03-26 01:02:58.1774486978
How to form an equation for probability based on the following graph?
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Yes.
You could also just calculate the area of the triangle (that is what the integral does) and say it is equal to 1.
$$ \dfrac{(8*k)}{2 }= 4k = 1 => k = \dfrac{1}{4} $$
For problems with more complicated functions, to use the integral is your only option.