What is the probability that the second ball drawn is white?

What is the probability that the second ball drawn is white?

The first ball can be white or non-white(red or blue). case 1:The first ball is white: Then the probability of second ball is white is 3/13∗2/12=1/26.

What is the probability that at least one ball is white?

The probability of getting at least 1 white ball equals the sum of the probabilities of getting a white ball first and getting a white ball second. The probability of getting a white ball on the first one is 3/10.

What is the probability of drawing a white ball from Box B?

The probability that you draw a white ball out of box A is 13 Similarly, the probability that you draw a white ball out of box B is 25.

What is the probability that the second ball is black?

Let S be the event the second ball drawn is black. The probability of S is 1/2, for S happens precisely if we picked from the 2-blacks bag. The event F∩S happens precisely if S happens. Thus Pr(S|F)=Pr(F∩S)/Pr(F)=23.

What is the probability that all R red balls will be obtained before any white balls are obtained?

All the red are drawn before any white if and only if the first r recorded draws are red. There are (r+wr) equally likely records. Only 1 of them is all red. So our probability is 1(r+wr).

What is the probability that all three balls are white?

Probability of three chosen ball to be white is 5c3/15c3(P1).

What is the probability that all the balls are the same color?

The probability that both balls are the same color is 0.44.

What is the probability of picking a red ball?

The probability of picking a ball from a bag is the number of balls of that colour divided by the total number of balls. Therefore in the first instance, the probability of a red ball is 3/9 or 1/3rd. If that ball is now removed the probability of picking a 2nd is 2/8 or 1/4.

What are the odds of randomly selecting a black ball?

We are given that in a box containing only white and black balls, the probability of selecting a white ball is 4/5 and thus the probability of selecting a black ball is 1/5.

What is the probability that all three balls are the same color?

3 cases to draw same colour = 3C1=3. Required probability =3/9C3 = 1/28.

How to maximize the probability of picking a white ball?

After you place the balls in the bowls, a random ball will be picked from a random bowl. Distribute the balls (all of them) into the bowls to maximize the chance of picking a white ball. First, let us assume that we divided the balls into jars equally so each jar will contain 50 balls.

How to calculate the probability of a ball being drawn?

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?

What is the probability of choosing the same color ball?

Any ball can be taken first and for the second ball to be the same color, there is a probability of 1 3. So, required probability is 1 3 Other argument can be favorable outcomes are 3 × 1 = 3 and total possible outcomes are 3 × 3 = 9 and therefore, probability is 3 9 = 1 3

What is the probability of a bag full of yellows?

The probability is the number of yellows in the bag divided by the total number of balls, i.e. 2/6 = 1/3. There is a bag full of coloured balls, red, blue, green and orange. Balls are picked out and replaced.