Question 4 At a local hospital, a quarter of the babies are born with no hair on their head, half the babies are born with a
Iittie hair, and the rest are born with a lot of hair.
If I choose two babies at random, what is the probability that I will choose one baby with no hair and another
with a little hair?
Draw a tree diagram in your answer.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: