Taobao Wow dragon ball activity, February 26, 65438, why only 9 dragon balls were collected? Why can't I find 10th?

The answer given by the customer service is: I asked the person in charge of the event and said that the probability of the dragon ball appearing in the last scene on the eighth day is 0.3%! Busy for nothing!

The following is the explanation given by the customer service for this Dragon Ball activity:

Wow, 100% winning explanation;

1, gold coin elutriation: 100% prize. Visit Wow to participate in Dragon Ball Search, and give away 10 gold coins with Dragon Ball every day. The asset name of gold coin elutriation is "Wow, gold coin for finding dragons and finding treasures". Continue to participate in 12 days to get 120 gold coins.

2. Alipay 2 yuan red envelope: lucky draw, with a daily winning rate of 2. 1%.

3, ipad2, Tourism Awards: All are lucky draws.

3. Collect the Dragon Ball for 8 days: On the eighth day, the probability of the Dragon Ball appearing in the last scene is about 0.3%. Those who cheat will be disqualified after verification;