observe o desenho que ricardo usou para calcular a soma das medidas dos angulos internos do quaditaro convexo PQRS

Can any one me with the answers to these questions asap?

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3