> 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: .A box consists of five red markers and four blue markers. A teacher chooses four markers at random…

A: Solution-: Given: Number of red markers =5, Number of blue markers =4 Total number of markers = 5…

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: A bag contains 3 white, 4 black and 5 red balls. Three balls are dra random one after another…

A:

Q: Suppose there are 3 white balls, 4 black balls and 2 red balls in a box.  If one ball is randomly…

A: Number of white ball in box = 3  Number of black ball in box = 4  Number of red ball in the box =2…

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}

Q: A contains 4 white and 6 black balls, while Bin B – 5 white and 3 black balls. A ball is picked up…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: Assume that two balls are drawn without replacement from a box with 5 blue, 7 white, and 3 red. Find…

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: 1. One card is selected at random from a deck of cards. Find the probability that the card selected…

A: Given from A card a is selected at random from a pack of cards      A deck of card contain 52 cards…

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: An urn contains three blue balls and five green balls. Another urn contains four blue balls and five…

A:

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: The urn contains 5 black and 5 white balls. The probability of drawing two balls of the same colour

A: It is given that the urn contains 5 black and 5 white balls.  Total number of balls =10 We need to…

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 one card is drawn randomly from a deck of 52 cards. What is the probability of getting a…

A: Answer: From the given data, Total number of cards in a deck = 52 If one card is drawn randomly,

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: b) A box contains 8 red, 5 white and 3 blue marbles. A sample of nine marbles is drawn with…

A:

Q: Please no written by hand 8. Consider the drawing of two cards one after the other from a deck of…

A: Total 52 cards Out of 52 4 Cards are deck of 52 cards.    2 cards are drawn a) with replacement:-…

Q: An jar contains 3 red balls, 2 blue balls, and 5 white balls. A ball is selected and its color…

A: Given that  Total balls=3+2+5=10 Red balls=3 , Blue balls=2 , White balls=5

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: Suppose five cards are drawn from a deck. Find the probability of obtaining the indicated…

A: It is known that, Number of cards in a deck = 52 Number of kings = 4 Number of aces = 4

Q: if there are 28 cards in the box, 16 white and 12 black, the probability of drawing 6 white cards or…

A:

Q: A four digit number is formed using the digits 1, 2, 3, 5 with no repetitions. Write the probability…

A:

Q: If four cards are drawn, each card is replaced after it is drawn. Find the probability of getting at…

A: Number of Kings in the deck= 4 Here i am doing without replacement  If 4 cards are drawn without…

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) A box contains 14 balls 6 red and 8 white. A ball is drawn from the box and a ball of the other…

A: 14 balls  =  6 red + 8 white Now one ball is drawn and another ball of different colour put in bag.…

Q: The probability that a card drawn from a pack of 52 cards will be a diamond or a king, is.

A: The number of cards is 52. The number of diamonds is 13. The number of kings is 4. The king that is…

Q: the probability that 3 of them are black and 2 white. A box contains 8 black and 4 white balls. If 5…

A:

Q: 22. A bag contains 6 white, 4 red and 10 black balls. Two balls are drawn random. . ind the…

A:

Q: Ifa number is selected at random from each sets {1,2,3} and {3,4,5}, what is the probability that:…

A: Given sets : 1,2,3  and  3,4,5 Number of elements in both sets = 3.  So, total number of outcomes =…

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…