年降水量/mm |
[ 100, 150 ) |
[ 150, 200 ) |
[ 200, 250 ) |
[ 250, 300 ] |
概率 |
0.21 |
0.16 |
0.13 |
0. 12 |
则年降水量在 [ 200,300 ] (mm)范围内的概率是
品种A:357,359,367,368,375,388,392,399,400,405,412,414,415,421,423,423,427,430,430,434,443,445,451,454
品种B:363,371,374,383,385,386,391,392,394,395,397,397,400,401,401,403,406,407,410,412,415,416,422,430