Answer:
0.4
Step-by-step explanation:
If the ratio of boys to girls in a class is 2:3, then
- there are 2x boys;
- there are 3x girls.
If there are 18 girls in the class, then
Thus, there are
boys;
girls;
students in total.
The probability of a boy being in the class is
Answer:
The Answer is -16
Step-by-step explanation:
The equation to this would be -352 / 22, which would give you 16, hope this helped!
Now: a=j+4
6 years ago: Anabelle: a-6; Jason: j-6
I hope this answers your question !
P(a | b) = p(a ∩ b)/p(b) . . . . . a definition worth remembering
0.2 = p(a ∩ b)/0.5 . . . . . . . . fill in the given values
0.2*0.5 = 0.1 = p(a ∩ b)
p(a ∩ b) = 0.1
