Exact model

At least one vowel in the first seven French Scrabble tiles

Probability:
98.57%
Odds:
69 to 1
dBan
+18.4 dBan

About 98.6 in 100 seven-tile racks from a full French-language Scrabble bag contain at least one vowel.

Calculation

p = 1 − C(57, 7) / C(102, 7) ≈ 0.9856833

Assumptions

Seven tiles are drawn without replacement. A, E, I, O, U, and Y are the 45 vowel tiles. The 55 consonants and two blanks form the 57 non-vowels.

Sources

  1. French Scrabble Federation: letter distribution
  2. International French-language classic Scrabble rules