Respuesta :

Answer: Um... I'm confused You already chose the answer? what exactly do you need help with?

Step-by-step explanation:

sqdancefan

Answer:

  (a)  3/8

Step-by-step explanation:

The diagram shows the 8 ways Sarah could have brothers and sisters. Of those, there are 3 that give her two brothers and one sister:

  BBS, BSB, SBB

The probability that Sarah has exactly two brothers among her three siblings is ...

  3/8

Otras preguntas