Answer:

Step-by-step explanation:
The number of red marbles in the bag is;
.
The number of blue marbles in the bag is;
.
The number of white marbles in the bag is;
.
The total number of marbles in the bag is:
.
The probability of selecting a blue marble is 
We substitute the given information to obtain:

We simplify to obtain:

I’m not sure never took that test
I believe its the second one because it say four times the number wich the number is the y and it is = too the number wich is y and increased going up are adding by 9. hope that helped.
<span>The geometric average return is the the nth root of the product of the stock returns.
So we have nâš r1 * r2 * r3. Where n is the number of returns.
So we have 4âš(14.5 * 4.8 * 10.2 * 6 1)
This gives us 4âš ( 4330.512)
The fourth root of 4330.512 is 8.1121 percent.</span>