Answer:
60.5%
Step-by-step explanation:
60% white, 40% black
The first draw you have a 60% chance drawing a white marble, the second time you have a 55% chance since you already drew one in the first round. so i think it is 60.5%% chance drawing white on both rounds since I add 60+55=121. 121/200=60.5%
Answer:
Might be
Step-by-step explanation:
A.) The probability of all dependent events can be calculated using the OR formula
Answer:
If you compare this to 
, then 
and 
.
Step-by-step explanation:
We are given 
and we are asked to find the value of 
.
So we will need to find 
.
Square both sides:
Expand using identity: 
.
Let's go back to the full .
If you compare this to , then and .
Answer: Watch explanations
Step-by-step explanation:
