China Naming Network - Baby naming - Draw lots to withdraw

Draw lots to withdraw

(1) If Lili draws for the first time, there is one * * *, and there are 30 cards, and 8 cards have no skilled memory, the probability that she draws a skilled card is: 30-8 30 =115;

A: The probability that she can get the technical section is 1 1 15.

(2) If Lili goes to the lottery for the second time1time, her six unskilled segments have been drawn by others, leaving two unskilled segments, and the probability of her winning an unskilled segment is 2 1 0 =15;

A: The probability that she draws an unskilled section is 1.5.