What is the probability of randomly drawing a red ball?
If we randomly select a ball from the box: The chance of drawing a red ball is 2/6 = 1/3. The chance of drawing a green ball is 4/6 = 2/3.
What is the probability that at least one of the balls is red?
The probability that both balls are yellow is 3/28, so the probability that it is not the case that both balls are yellow (i.e., the probability that at least one ball is red) is 1 − 3/28 = 25/28.
What is the probability that both balls drawn are red?
In conclusion, the probability that both of the balls are red is 1/10.
What is the probability of getting two reds?
The probability of getting two red balls is 6/13*6/13 or 36/169.
What is the formula of probability class 7?
Of Probability: If n represents the total number of equally likely, mutually exclusive and exhaustive outcomes of an experiment and m of them are favourable to the happening of the event A, then the probability of happening of the event A is given by P(A) = m/n. (2) P(A) + P( \bar {A} ) = 1, Where \bar {A} = Not A .
What is the probability that the balls drawn contain different colors?
A bag contain 2 red balls, 6 yellow balls and 4 green balls. If 3 balls are drawn randomly, then what is the probability that the balls drawn contain balls of different colors? = 48. = 12 / 55. A bag contain 2 red balls, 6 yellow balls and 4 green balls.
What is the probability of drawing a red on the first?
On the first, you have 10/16 chances to draw a red. Supposing this red is not replaced, the chance of drawing a second red will be 9/15; therefore, the probability of A is (10/16) * (9/15) = 0.375. Event B is translated into 2 events: Blue + (White or Red) or (White or Red) + Blue.
How many balls can be selected from remaining 12 4?
Rest 1 ball can be selected from remaining ( 12 – 4 ) = 8 balls in 8 C 1. = 42 / 55. A bag contain 2 red balls, 6 yellow balls and 4 green balls. If 3 balls are drawn randomly, then what is the probability that the balls drawn contain no yellow ball?
How many red and black balls are there in a bag?
A bag contains 3 red and 7 black balls. Two balls are drawn one by one at a time at random without replacement. If second drawn ball is red then what is the probability the first drawn ball is also red?