Answer:
P(S+B)=0.5*0.6=0.3
Step-by-step explanation:
Use the multiplication rule if the events are independent.
Answer:
WT=63
Step-by-step explanation:

So

Answer:
x=1 y=14 they both equal 15
Step-by-step explanation:
!!$$
Let the boy be B and the girl be G
there are six possible outcomes
BGG, GBB, GBG, BGB, BBB, and GGG
therefore the probability of getting one boy and two girls is

also the probability of getting 3 girls is