There were 8 brand new laptops delivered to a retail outlet. Of the 8 laptops, 3 are defective. If a company makes a random purchase of 2 laptops, find the probability distribution and the expected value for the number of defective laptops.

Q: A four-person is selected at random from a population of 14 men and 16 women. What is the…

A:

Q: Joe rolls a 6-die and Magdalena rolls an 8-die. What is the probability that Joe rolls a larger…

A: Given information: Joe rolls a 6-faced die. The possible numbers that are rolled by Joe are 1, 2, 3,…

Q: If you were to select one card randomly from a single deck of 52 card what is the probability of…

A:

Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: You want to randomly arrange 4 discs in a CD rack.  What is the probability that the rack ends up in…

A: We can arrange 4 CDs in a rack in 4!=24 waysWe can arrange them in alphabetical order in only one…

Q: An urn contains 3 yellow balls and 6 white ball . If Vince chooses 7 balls at random from the urn ,…

A: The number of yellow balls is 3 and the number of white balls is 6.

Q: A math professor finds that when she schedules an office hour for student help, an average of 2.3…

A: Step 1:The probability mass function of the poisson distribution is given by…

Q: A history class is comprised of 8 female and 6 male students. If the instructor of the class…

A:

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

A: The probability is calculated by dividing the number of observation can involve in the sample…

Q: You donate 8 baseballs to a local baseball team. Your uncle donates 12 baseballs. If a total of 50…

A: Total number pf baseballs donated is 50. Let A donate 8 baseballs and B donate 12 baseballs The…

Q: A bag of the same size small balls contains 6 blue balls, 5 red balls, 5 yellow balls, and 4 green…

A: A bag contains 6 blue balls,5 red balls, 5 yellow balls& 4 green balls Total no. Of balls…

Q: At a local college,  69  of the male students are smokers and  621  are non-smokers. Of the…

A: To solve this problem, we need to find the probability of selecting a non-smoker male student and a…

Q: Suppose you are going to form a committee of students and faculty. You have 10 total students and 15…

A: Given, Total number of students 10 and Total number of 15 faculty from which you pick 12.

Q: Five years after 650 high school seniors graduates, 400 had a college degree and 310 were married.…

A: Given: n(total) = 650 n(College) = 400 n(married) = 310 Half of college students are married.

Q: A bowl contains 12 different flavored 2 points candies(4 chocolate, 5 strawberry and 3 menthol). A…

A: Given, Total number of candies = n = 12 randomly selected cndies  = X= 6 Flavours: 4 chocolate 5…

Q: 3 An animal shelter has a 61% adoption rate for puppies. Of all puppies in the shelter, 77% live to…

A: The probability of selecting two items whos individual probability are p and q is given by; P(x)=p·q

Q: A jar contains 20 berries, 14 sweet and 6 sour. If you pick a berry at random, what is the…

A: Given that, A jar contains 20 berries 14 sweet and 6 sour.

Q: Suppose that kearny Hight school ,37%are juniors,54% are female, and 28%are female and juniors .Find…

A:

Q: A history class is comprised of 5 female and 10 male students . If the instructor of the class…

A: Given: Number of females = 5 Number of males = 10 Total number of students = 5+10…

Q: Nasa needs to select a 7 person crew for a space mission from 43 applicants of whom are 21 women.…

A: Given data: the total numbers of applicants are n=43. The numbers of persons selected for space…

Q: a small private school, 4 students are selected from 16 available students. What is the probability…

A: Given data, Total Number of students n=16 Number of students selected is r=4 What is the probability…

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: A bag has 12 blue marbles and 24 red marbles. If you draw 3 marbles with replacement, what is the…

A: Let p be the probability of blue marble let n be the number of marble which one is drawn X be the…

Q: Suppose you are going to form a committee of students and faculty. You have 6 total students and 16…

A:

Q: A chest of pirate treasure has 8 fake coins, 6 plastic jewels, 5 painted stink bombs, and 2…

A: Here we have to find the probability.

Q: probability that a house in an urban area will develop a leak is 2%. If 21 houses are randomly…

A: The probability that a house in urban area will develop a leak is 2%, 21 houses are randomly…

Q: A fair die is rolled five times. A1 is considered​ "success," while all other outcomes are​…

A: Given data:  fair die is rolled five times. A1 is considered​ "success," while all other outcomes…

Q: Determine the probability of two dice being rolled and showing a sum of 5.

A: Given data Determine the probability of two dice being rolled and showing a sum of 5

Q: Among the products of the first company, defective is 10%, the second 20%, the third  25%. We bought…

A: The probability that an event occurs, is equal to ratio of number of favourable outcomes for the…

Q: Suppose you are going to form a committee of students and faculty. You have 9 total students and 18…

A: Answer - Given, You have 9 student and 18 faculty                  You are going to form a committee…

Q: A sculpted needs to make 3 wood sculptures to exhibit at an art gallery. There is a probability of…

A: Define : n=5; the number of pieces of wood curved.p=0.80k=0,1,2,3; the number of successes needed…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

A: Given: Number of seeds (n) = 9 Probability of growing (q) = 0.95 Probability of not growing (p) = 1…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.