> A box contains 7 white balls, 9 black balls, and 2 red balls. a) How many red balls must be added to the box so that the probability of drawing a red ball is =? b) a) 1 How many black balls must be added to the original box so that the probability of drawing a white ball is? red balls would have to be added. Question Viewer ***

Q: An urn contains 7 red and 4.white balls. Two balls are drawn in succession without replacement. If…

A:

Q: A box contains 8 red, 5 white, 6 blue and 11 black marbles. If one marble is taken from the box,…

A: we have 8 red , 5 white , 6 blue and 11 black marbles if one marble is taken from the box, find the…

Q: Assume that 2 cards are drawn from a standard 52-card deck. Assume the cards are drawn with…

A: 2 cards are drawn from a standard 52-card deck. Assume the cards are drawn with replacement We have…

Q: If the numbers 10, 22, 24, 26, 28 are put in a hat, the probability of drawing any of the five…

A: Put 5 numbers in a hat : 10,22,24,26,28 Here all 5 numbers are equally likely to select and…

Q: .A bag has 3 red marbles, 2 blue, 4 greens and 1 yellow. What is the probability of pulling green,…

A: R=Red, B=blue, G=green  Sample space={R,R,R,B,B,Y,G,G,G,G}

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A: We have given that Number of blue balls = 5  Number of white balls = 7  Number of red balls = 3…

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: An urn contains 5 red and 4 white balls. Two balls are drawn in succession without replacement. If…

A:

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 bag contains 5 red marbles and 3 blue marbles. Two marbles are randa hout replacement. Calculate…

A: It is given that the  There is a bag which contains 5 red marbles and 3 blue marbles. So, a total…

Q: Find the probability of pulling a king in a deck of cards (poker cards)?

A: Obtain the probability of pulling a king in a deck of cards. The probability of pulling a king in a…

Q: What would the probability of selecting all 5 cards to be a Diamond or a Club

A: Combination Rule:The arrangement of r objects from n different objects is given by:

Q: Suppose a jar contains 18 red marbles and 34 blue marbles. If you reach in the jar and pull out 2…

A: Solution

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: 5. When a roulette wheel is spun a ball ends up on one of the 40 numbers located on it; 19 of the…

A: Total number = 40Black number = 19Red number = 19Green number = 2

Q: A box contain 2 blue, 3 red and 5 white balls . Two balls are picked at random with replacement find…

A: Given that there are 2 blue, 3 red and 5 white balls in the jar. So there are total (2+3+5)=10…