Fill in the gaps with the capitalized letter before the words in the box.[img=1290x529]17e4486070132e3.png[/img][img=1285x594]17e448607dac7aa.png[/img]
举一反三
- Read this letter and fill in the gaps with the words from the box.
- 已知随机变量X的分布列如下：[img=386x130]17e43ec4c459e73.png[/img]，则E(X)= A: 17/30 B: m未知，无法求出 C: -30/17 D: -17/30
- X，Y相互独立，X服从参数为2的泊松分布，Y服从[img=54x25]1803b4181e39f0c.png[/img]，则[img=84x25]1803b4182602fd0.png[/img]与[img=86x25]1803b4182e0ab99.png[/img]分别为 A: -1，-7 B: 1, -7 C: 1，17 D: -1, 17
- 智慧职教: Directions: Fill in the blanks with the capitalized letter before the words like A, B, C or D.
- This is Cooper Preedy’s resume. Read and fill in the blanks with the proper words or information from the box.[img=1252x341]17e44862d4f0a87.png[/img][img=1220x466]17e44862e177cf5.png[/img][img=1208x416]17e44862ee4b610.png[/img][img=1210x468]17e44862faf0a21.png[/img][img=1218x466]17e448630797e1c.png[/img]