00:01
Hi, i'm david and i'm here to help you answer your question.
00:03
Now let me bring up your question here.
00:06
In the question here, we are given the probability density function of the x.
00:12
And here i want to find the f capital of the x and the 2 .5 minus f capital of the x is under 0 .5.
00:22
So this really means that i want to find the probability that the x it will be between the 0 .5 and the 2 .5.
00:30
5 and to find this one is equal to the integral starting from the 0 .5 to the 2 .5 under function fx d x and now we want to split this integral here because fx between the 0 and 1 and 1 in follow this form and between 2 and 3 and follow this form so we have to split it into the 3 integrals the first one will be from up to the volume of the 1.
01:03
The density will be the x over 2 the x.
01:07
The second one between the 1 and the 2 and it has a formula 1 half the x.
01:12
The last one will be from the 2 up to the 2 .5 and the density will be the 3 minus x over 2 the x.
01:22
So all we need to do will be we calculate this integral.
01:26
So we have this one will be untidy derivative will be the x square over 4, evaluating from the 0 .5 to 1...