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Andy51-Visitor
1-Visitor
April 8, 2019
Solved

How can I draw Empirical graph of dice propblem

I'd like to make a code which can make the empirical graph of dice when the dice is only "6"

However, as you can see, the probability is not the same as theory. 

Is there anybody telling me the mistake that I did?  The answer has to be '0.166666666...'

 

plz, help me

 

Werner_E
Werner_EAnswer
25-Diamond I
April 8, 2019

Is there anybody telling me the mistake that I did?

rnd(5) creates a float random number in the range 0 .. 5

You ask for the number being > 4 and count the range from 4 to 5 which is 1/5 of the range 0 to 5. Consequently you get a result near 0.2.

 

Use rnd(6) and condition ">5" and you get the result you'd like to see.

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4 replies

AlanStevens19-Tanzanite
19-Tanzanite
April 8, 2019

Something like this perhaps:

 

randomdice.JPG

 

There are other ways as well of course!

 

Alan

 

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    Andy51-VisitorAuthor
    1-Visitor
    April 8, 2019

    Thank U so much.

     

    I learned another way thanks to U

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    Werner_E
    Werner_E25-Diamond IAnswer
    25-Diamond I
    April 8, 2019

    Is there anybody telling me the mistake that I did?

    rnd(5) creates a float random number in the range 0 .. 5

    You ask for the number being > 4 and count the range from 4 to 5 which is 1/5 of the range 0 to 5. Consequently you get a result near 0.2.

     

    Use rnd(6) and condition ">5" and you get the result you'd like to see.

    Translate
      Andy51-VisitorAuthor
      1-Visitor
      April 8, 2019

      Thank U so much.

       

      I thought that rnd Function is similar to randi in Matlab.

      It is not an integer in Mathcad

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