19. An urn contains n red and m blue balls. They are withdrawn one at a time until a total of r,r ≤n, red balls have been withdrawn. Find the probability that a total of k balls are withdrawn. Hint: A total of k balls will be withdrawn if there are r 1 red balls in the first k-1 withdrawals and the kth withdrawal is a red ball. 00

Q: A restaurant owner speculates from his past experience that 20% of the customers cancel their…

A: We have to find probability case by case and the  add.

Q: Based on a survey, assume that 34% of consumers are comfortable having drones deliver their…

A: The probability of consumers being comfortable having drones is 0.34.

Q: Gian is a teacher, as per her class rule, the probability of not getting an additional points for a…

A: Let X be the number of students who getting an additional points from binomial distribution with…

Q: There are two bags containing several colored balls. The bag B, contains 17 red balls, 11 blue…

A:

Q: In a town, out of 200 families with 4 children each, find the percentage of families having (i) 2…

A:

Q: A homeowner plants 6 bulbs selected at random from a box containing 5 tulip bulbs and 4 daffodil…

A: A homeowner plants 6 bulbs selected at random from a box containing 5 tulip bulbs and 4 daffodil…

Q: Carissa buys a bag of cookies that contains 5 chocolate chip cookies, 4 peanut butter cookies, 7…

A: Here are 5 chocolate chip cookies, 4 peanut butter cookies, 7 sugar cookies and 6 oatmeal cookies.

Q: bag contains 14 identical balls, 4 of which are red, 5 black and 5 white. Six balls are drawn from…

A: Number of red balls is 4. Number of black balls is 5 Number of white balls is 5. Total number of…

Q: There are x boxes and y balls. The y balls are randomly distributed into the x boxes. What is the…

A: Introduction: The y balls are randomly distributed into x boxes. Thus, for each ball, the…

Q: A family with 6 children, 3 boys and 3 girls, is there a probability that the number of boys is less…

A: There are 6 children in a family. Of which 3 are boys and 3 are girls. So, Pboy=Pgirl=12

Q: We have an empty 4X4 grid. We then place 4 apples at random in different squares of the grid. What…

A: Let us represent 4X4 grid by coordinates (i,j) where, i =1,2,3,4 and j = 1,2,3,4 So, there are 4*4 =…

Q: nd the probability that if 4 sticks are rarndomly arranged in a row, they will be arranged in order…

A: Number of ways of arranging 4 sticks will be: Total ways = 4!                 = 24

Q: A box has 3 white balls, 6 black balls, and 7 red balls. If someone select a ball randomly, what is…

A: Given: White balls=3 Black balls=6 Red balls=7 Total number of balls(n)=3+6+7…

Q: What is the possibility of one person getting what he want out of 3.905 billion others who wants the…

A: Introduction: The given person, and 3.905 billion other people want the same thing.

Q: A box has 40 red 60 blue spheres. Draw 2 spheres without replacement. Afterwards, utilize the…

A: Given information: Red spheres = 40Blue spheres = 60Total spheres = 100

Q: a+ß Q4: a box contain 5 red and 6 black balls a sample of size 4 is selected what is the probability…

A: The following information has been provided: The number of red balls=5. The number of black balls=6.…

Q: replacement

A: Given: White balls in one box=4 Red balls in one box=6 Total number of balls in box one = 6+4=10…

Q: A bag of apples has 8 red apples and 6 yellow apples. Janice will randomly select 1 apple from the…

A: Desired probability = desired outcome/total number of outcomes

Q: lesser than the blue balls and the rest are purple balls. If a ball is to be picked at random, find…

A:

Q: 3) John runs a computer software store. Yesterday he counted 127 people who walked by the store, 58…

A:

Q: A fast-food restaurant gets an average of 3 orders per minute during the lunch rush. What is the…

A: A fast-food restaurant gets an average of 3 orders per minute during the lunch rush.i.e =3 per…

Q: A bag has three times as many green marbles as there are blue. If you take 8 marbles from this bag,…

A: In question,  Given that a bag has three times as many green marbles as there are blue marbles, 8…

Q: Supposed you want to successively select two balls randomly without replacement from a box…

A: The objective of this question is to find the probability of drawing two blue balls successively…

Q: Dr. Train has  (8 choose 4)    ways of selecting problems for Exam #1 Amalia can solve 5/8 of the…

A: We have given that,  Let X be the random variable with probability of Amaila can solve (p)= 5/8 with…

Q: Will wanted to track the growth of various fruits in nis garden, so he decided to label them. His…

A: Provided information is, Will wanted to track the growth of various fruits in his garden and he…

Q: An urn contains 7 yellow balls and 4 white balls. If Juan chooses 7 balls at random from the urn,…

A: Given,no.of yellow balls=7no.of white balls=4total no.of balls=11

Q: A committee of 2 is chosen at random from a population of 4 men and 5 women. What is the probability…

A: given data, A committee of 2 is chosen at random from a population4 men5 women9-total members the…

Q: An urn contains 10 red balls, 14 green balls, and 7 yellow balls. What is the probability of…

A: We have given that Red balls = 10 Green balls = 14 Yellow balls = 7 Total balls = 10+14+7 = 31

Q: A bag contains 4 Blue balls, 7 Red balls, and 8 Green balls. Two balls are going to be drawn from…

A: the action described above will result in events that

Q: There are 2 boxes, each box contains 10 products. Box one contains 6 qualified products. Box two…

A: Conditional Probability: Let A and B be two events with P(A) > 0. Then the conditional…