· 5 months ago

THE FORMULA WORKS ONLY IF ONE SUBSTITUTES RAND() WITH RANDBETWEEN(1;X) WHERE X IS THE TOTAL NUMBER OF POSSIBLE OUTCOMES, WHICH WOULD SIMPLY BY AN INTEGER GREATER THAN 1.

If there is a table with some values and corresponding assigned percentages as below screenshot shown in a sheet. And now, I want to generate random values based on the list of values and their assigned probabilities.

**Generate random value with probability**

In fact, to generate random values with the probability, you only need two formulas.

1. In adjacent cell of the table, type this formula =SUM($B$2:B2), and drag this formula down to the cells you need. See screenshot:

2. Select a blank cell which you will place the random value at, type this formula =INDEX(A$2:A$8,COUNTIF(C$2:C$8,"<="&RAND())+1), press **Ente**r key. And press** F9** key to refresh the value as you need.

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