皮皮学，免费搜题
登录
搜题
【简答题】
在一次飞机航程中调查男女乘客的晕机情况，男女乘客晕机与不晕机的人数如图所示． （1）写出22列联表； （2）判断是否有97.5%的把握认为晕机与性别有关？说明你的理由：（下面的临界值表供参考） P（K 2 ≥k） 0.10 0.05 0.025 0.010 0.005 0.001 k 2.706 3.841 5.024 6.635 7.879 10.828
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】在()中投入少量的合伙人的自有资金并外借其余不足部分,合伙企业就可购置大量的可折旧资产(如租赁财产)。
【单选题】The students are forbidden, unless they have special passes, ________after 11 p. m.. [ ]
A.
in staying out
B.
to stay out
C.
staying out
D.
stay out
【简答题】在python中,使用( )函数来打开文件并返回文件对象。
【单选题】.After staying in hospital for long, the patient was advised to go to the seaside to his health.
A.
take up
B.
carry up
C.
pick up
D.
make up
【单选题】The students are forbidden，unless they have special passes，________after 11 p.m.
A.
of staying out
B.
to stay out
C.
staying out
D.
stay out
【单选题】.After staying in room for weeks, the lady was advised to go to the outside world to _____ her confidence as well as health.
A.
take up
B.
make up
C.
carry up
D.
pick up
【简答题】对于陈旧性()构成的疝轮,在形态上十分光滑,为了促进愈合,需要切割形成新鲜创面,再进行缝合。
【单选题】After staying in hospital for long，the patient was advised to go to the seaside to ________ his health． [ ]
A.
take up
B.
pick up
C.
carr y up
D.
make up
相关题目：