Answer: x=5.6
Step-by-step explanation:
I think it's 9.68 but I might be wrong
answer for this question is 2 is to 4 is to6 is to 7
Answer: 
<u>Step-by-step explanation:</u>
"At least one girl" means P(1 girl) + P(2 girls) + P(3 girls) or 1 - P(all boys)
I will use the latter: 1 - P(all boys)
P(all boys) = 
