You have three jars of gumballs.The first jar has 100 white gumballs and 25 green,the second jar has 50 white and 150 blue,and the third jar contains 500 white and 10 red. If you randomly draw one gumball from each jar,what is the probability for $\textbf{ at least one white gumball? }$
A)0)997 or 99.7%
B)0)85 or 85%
C)0)69 or 69 %
D)0)034 or 3.4%
E)This is impossible (0% chance).

Question

You have three jars of gumballs.The first jar has 100 white gumballs and 25 green,the second jar has 50 white and 150 blue,and the third jar contains 500 white and 10 red. If you randomly draw one gumball from each jar,what is the probability for $\textbf{      at least one white gumball?   }$ 
A)0)997 or 99.7%
B)0)85 or 85%
C)0)69 or 69 %
D)0)034 or 3.4%
E)This is impossible (0% chance).

Quizplus · Accepted Answer

In order for us to not get at least one white gumball, all three jars must only have non-white gumballs. 
The probability of selecting a non-white gumball from the first jar is 25/125 or 0.2. 
The probability of selecting a non-white gumball from the second jar is 150/200 or 0.75. 
The probability of selecting a non-white gumball from the third jar is 10/510 or approximately 0.02. 
Therefore, the probability of getting all non-white gumballs is 0.2 x 0.75 x 0.02 = 0.003 or 0.3%. 
The probability of getting at least one white gumball is therefore 1 - 0.003 = 0.997 or 99.7%.

You Have Three Jars of Gumballs at least one white gumball? \textbf{ at least one white gumball? } at least one white gumball?

You Have Three Jars of Gumballs $\textbf{ at least one white gumball? }$