Urn 1 contains 4 white and 3 black marbles and urn 2 contains 8 white and 10 black. two marbles are randomly selected form urn 1 and placed into urn 2. if 3 marbles are then randomly selected from urn 2, what is the expected number of white marbles drawn?

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734

where is the graph? need more info