Answer: 1) marks got by class 7 in PAT study
2) 22 and 25 respectively
3) three
4) Prachi
5) Steven
Answer: 0.5604
Step-by-step explanation:
Let A represents the students who are women and B represents the students who are engineering majors.
Then , we have given that 
By formula , 
Using formula,
, we have

Hence, the probability that the selected person is either a woman or an engineering major = 0.5604
(9-2)180
(7)180
1260 degrees
1260/9 = 140
If you replace the t with -1 then you'd have a positive 8
8-23=-15