Bag A contains 10 marbles of which 2 are red and 8 are black. Bag B contains 12 marbles of which 4 are red and 8 are black. A ball is drawn at random from each bag. Use the tree diagram to calculate the probability for the following: both balls are red. both balls are black. one black and one red. at least one is red.

Q: Consider a jar of marbles that contains 5 blue, 3 red, 8 green, and 7 yellow marbles. Select a…

A: From given data, P(Green marble)=8/23 P(green marble for the first time before the fourth attempt)=?…

Q: In a bag there are 6 white marbles and 16 black marbles. Four marbles are drawn without replacement.…

A: Hi! Thank you for the question! Since the question contains four subparts and we are allowed to…

Q: You have a bag with 10 tiles in it. The tiles are identical except that 3 are red and 7 are black.…

A: The probability of an event is always fall between 0 and 1 and it is defined as ratio of favourable…

Q: There are 14 marbles in a bag: 4 red, 8 orange, 6 green, and 2 blue. A marble is picked a random.…

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Q: One card is selected at random from a deck of cards. Determine the probability of selecting a card…

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Q: The probability that a person in the United States has type B​+ blood is 8​%. Five unrelated people…

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Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: A bag contains seven dominoes. Two of the dominoes have a total of five dots. Three of the dominoes…

A: Let A be the event that the second domino has exactly 5 dots B be the event that the first domino…

Q: One card is drawn from a standard deck of 52 playing cards. Find the probability the card is a black…

A: 52 card=26(red)+26(balck)

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: A die is being thrown twice. Find the probability of getting 5 and 1 in each respective throw

A: if we throw a die twice than the total possible out comes is 36and the no.of possible out comes of…

Q: An urn contains eight white balls and two red balls. A second urn contains two white balls and a red…

A: Here Take Probability of first Urn=P(F) Probability of second Urn=P(S) Probability of Red=P(R)…

Q: In a bag there are 6 white marbles and 16 black marbles. Four marbles are drawn without replacement.…

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Q: A bag contains 4 Yellow cards, 5 Green cards and 6 Blue cards. Select at random 3 cards at the same…

A: There are 4 yellow cards.The are 5 green cards.There are 6 blue cards.

Q: A bag contains 7 green and 5 black balls. Three balls are drawn one after the other. The probability…

A: 7-green  balls5-black balls 12- total balls three balls are drawn one after the other we have to…