Answer: 2/3
Step-by-step explanation:
Answer:suchi i think is on the cite
Step-by-step explanation: suchi you need rice at first
Answer:
8 I think
Step-by-step explanation:
I did 40÷16=2.5 then 2.5×8=20
<span>it all looks confusing when we try to juggle with all those numbers in the head. The problem can be solved systematically by constructing a contingency table.
</span>role/gender B G total
speaking...... 4 4 8
<span> silent............ 4 8 12
total............. 8 12 20
</span>Probability of a child having a speaking part is therefore
(4+4)/20=8/20=2/5
a. 2/5
Answer:
A
Step-by-step explanation:
Discriminant= 8^2-4(16)(1)
=0
