The joint probability density function of the sample is 1
What is probability?
Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.
The likelihood that a population parameter will be less than a given value when the null hypothesis is true is expressed as the p-value, also known as a probability value or a measure of significance, for a particular statistical model.
Every Xi has distribution as shown below:
f(xi) = 1, 0<xi<1
When all Xis are independent, then the following is true.
f(x1,x2,x3,x4) = f(x1) f(x2) f(x3) f(x4)
= 1, for all xi between 0 and 1
To learn more about the probability from the given link
https://brainly.com/question/24756209
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