Urn 1 contains two red balls and three yellow balls. Urn 2 contains four red balls and four yellow balls. What is the probability that both balls are yellow?

3/10

Step-by-step explanation:

Urn1 contains 5 balls (2 red & 3 yellow) and Urn2 contains 8 balls (4 red & 4 yellow). One ball is drawn from each Urn.

The probability for the ball from Urn1 is yellow & ball drawn from Urn2 is also yellow

The probabilty is 3/5 ∗ 4/8=3/10.

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

there is no points to select.

step-by-step explanation: