An urn contains 7 white, 3 red and 10 black balls. If five balls are drawn...

Question

Question

An urn contains 7 white, 3 red and 10 black balls. If five balls are drawn at random, find the probability that at least one red ball is selected.

Answer 1

Answer #1

هوما عوي صفتو niwl=?, nirl = 3 و .4 و 1 + 3 د د ها (فل ک - * Plat least one ered) لے Plno ered) X11 s و 3 2ocs ومهما : کام in

Answer 2

Similar Homework Help Questions

Urn "A" contains 5 white balls and 4 black balls, whereas urn B contains 3 white...

Urn "A" contains 5 white balls and 4 black balls, whereas urn B contains 3 white balls and 5 black balls. A ball is drawn at random from urn "B" and placed in urn "A". A ball is then drawn from urn "A". It happens to be black. What is the probability that the ball transferred was black?
An urn contains 7 white balls and 3 black balls. Two balls are selected at random...

An urn contains 7 white balls and 3 black balls. Two balls are selected at random without replacement. What is the probability :1 The first ball is black and the second ball is white.? 2: One ball is white and the other is black? 3:the two balls are white ?
An urn contains 4 white balls and 6 red balls. A second urn contains 6 white...

An urn contains 4 white balls and 6 red balls. A second urn contains 6 white balls and 4 red balls. An urn is selected, and the probability of selecting the first urn is 0.8. A ball is drawn from the selected urn and replaced. Then another ball is drawn and replaced from the same urn. If both balls are white, what are the following probabilities? (Round your answers to three decimal places.) (a) the probability that the urn selected...

An urn contains 10 white and 6 black balls. Balls are randomly selected, one at a...

An urn contains 10 white and 6 black balls. Balls are randomly selected, one at a time, until a black one is obtained. If we assume that each ball selected is replaced before the next one is drawn, what is the probability that a) exactly 5 draws are needed? b) at least 3 draws are needed?
Please include steps. Thank you! Urn A contains four white balls and five black balls. Urn...

Please include steps. Thank you! Urn A contains four white balls and five black balls. Urn B contains seven white balls and three black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was white given that the second ball drawn was white? (Round your answer to three decimal places.) Need Help?Read It Watch It
An urn contains four red balls, six black balls, and five green balls. If two balls...

An urn contains four red balls, six black balls, and five green balls. If two balls are selected at random without replacement from the urn, what is the probability that a red ball and a black ball will be selected? (Round your answer to three decimal places.)

An urn “A' contains 2 white and 4 black balls. Another urn ® contains 5 white and 7 black ball. A ball is transferred from the urn $A) to urn B'. Then a ball is drawn from urn B'. Find the probability, that it will be white.

An urn “A' contains 2 white and 4 black balls. Another urn ®contains 5 white and 7 black ball. A ball is transferred from the urn $A)to urn B'. Then a ball is drawn from urn B'. Find the probability, thatit will be white.
Consider 3 urns. The urn A contains 5 white balls and 10 red balls, the urn...

Consider 3 urns. The urn A contains 5 white balls and 10 red balls, the urn B contains 9 white balls and 6 red balls and the urn C contains 4 white balls and 9 red balls. A ball is selected from ballot box 1 and placed in ballot box 2, then one ball is taken from ballot box 2 and placed in ballot box 3. Finally, a ball is taken from ballot box 3. What is the probability that...
Urn A contains seven white balls and four black balls. Urn B contains six white balls...

Urn A contains seven white balls and four black balls. Urn B contains six white balls and three black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was black given that the second ball drawn was black? (Round your answer to three decimal places.)

Urn A contains four white balls and six black balls. Urn B contains three white balls...

Urn A contains four white balls and six black balls. Urn B contains three white balls and seven black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was black given that the second ball drawn was black? (Round your answer to three decimal places.) n transferred to Urn A contains four white halls and six hlack balls. Urn...