## JULIAKAPRI Group Title Suppose a die is rolled repeatedly.what is the chance that the first 4 rolls all show different faces, and the 5th roll shows a face that has appeared before. one year ago one year ago

1. rogue10 Group Title

6/6x 5/6 x 4/6 x 3/6 x 4/6= 5/27

2. thanhtut Group Title

where is she gone?

3. thanhtut Group Title

$\eta \sum_{a}^{d}$