abelxoconda
21.04.2020 •
Mathematics
There were a certain number of students in both class A and class B. After 10% of the students in class A were transferred into class B, the number of students in class B was increased by 20%. If there are 30 students in class B now, how many students were originally in class A?
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Ответ:
P(E|F)=60% P(E)=60% Events E and F are independent
Step-by-step explanation:
I took it and got it right