概率论(古典概型问题)
概率论(古典概型问题)
日期:2022-04-01 08:30:14 人气:1
1.(1)5C2/10C3=10/120=8.3%
(2) 4C2/10C3=6/120=5%
2. 10C4*4C3*3C2/17C9=10.37%
3. (1)400C90*1100C10/1500C200=0 (约等于)
(2)1-1100C100/1500C100-(1100C99+200C1)/1500
(2) 4C2/10C3=6/120=5%
2. 10C4*4C3*3C2/17C9=10.37%
3. (1)400C90*1100C10/1500C200=0 (约等于)
(2)1-1100C100/1500C100-(1100C99+200C1)/1500