Question on notation

  • Thread starter Iclaudius
  • Start date
  • #1
36
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Hello friends,

I have this problem it reads:

A random variable X is defined to be the larger of the two values when two dice are thrown, or the value if the values are the same. Find the probability distribution for X.

So I don't know how to state "X is defined to be the larger of the two values when two dice are thrown, or the value if the values are the same" mathematically. If someone could tell me, it would be much appreciated.

Thank you for you time,
Claudius
 

Answers and Replies

  • #2
36
0
Note - I have already solved this question just want to know how to express that above statement in math.
 
  • #3
2,161
79
Note - I have already solved this question just want to know how to express that above statement in math.

Do you know how to write conditional probabilities?
 
  • #4
chiro
Science Advisor
4,797
132
Note - I have already solved this question just want to know how to express that above statement in math.

Lets say your random variable U takes the maximum value of X and Y.

You can write this mathematically as

U = MAX(X,Y), X ~ U(1,6) [Discrete], Y ~ U(1,6) [Discrete].

As for the distribution you can use SW VandeCarr's hint and list conditional probabilities to get a final distribution for U.
 
  • #5
36
0
ah ok
 
Last edited:

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