Answer:
20x^3/4x7
20/4x^4
5/x^4
Step-by-step explanation:
you could write it as 5:2 & you could also write it as 2:5
The probability that the first student is a girl is 5/10.
The probability of the second selection being a boy is 5/9.
(since the first selection was a girl, there are 9 students left)
The probability that the third student is a girl is 4/8
(there are 4 girls left after one was selected, and 8 students left in total, after the second selection.
The probability is (5/10)(5/9)(4/8)=0.139
Answer: 0.139
This ordered pair makes both statements true, so A, B, and D are all the correct answers!
I believe it is c sorry if i am wrong