C. However, 20% of laptop from Company A is prone to defect whereas 10% from Company B and 5% from Company C. Draw a tree diagram for the situation and hence find the probability the laptop is from Company Cif it is defect.

Q: et x denote the amount of space occupied by an article placed in a 1-ft packing container. The pdf…

A:

Q: 4. A finite population consists of 8 elements. 10 10 10 10 10 12 18 40 How many samples of size n =2…

A:

Q: A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance…

A: Let X be the random variable from normal distribution with mean (μ) = 65 miles and standard…

Q: A bowl contains 3 red chips and 4 white chips. Three chips are drawn from the bowl. What is the…

A: Given Information: There are 3 red chips and 4 white chips. Three chips are drawn from the bowl. The…

Q: One hundred cards numbered 1 to 100 are placed in a box. A card is selected at random from a box.…

A: An event is an outcome or a set of outcomes of a random experiment to which a probability is…

Q: Assignment: find out the probability where the values of favorable and unfavorable are equal…

A: Given information: The values of favourable and unfavourable are equal.

Q: 28. Find the probability that in a family of 5 children, there will be at most 2 girls. Assume that…

A:

Q: a little league manager has 12 children on her team. How many ways can she form a 9- player batting…

A: Given that  Total player=12 Batting order player=9 Find the number of ways can she form a 9 player…

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: The joint probability mass function of X and Y is  f(x,y)=(x+y)/21   , x=1,2,3 and y=1,2

Q: The boxes produced by a machine have weights that are distributed normally with a mean of 32 grams.…

A: Given,mean(μ)=32

Q: Scott takes a Rapid Antigen Test (or 'RAT') for COVID-19 and gets a positive result. He wants to…

A: Given  Pr(P|C), is 0.83 - False negative rate: The probability of a negative RAT given that a person…

Q: from the letters of the word STATISTICS?

A: Given the letters of the word STATISTICS

Q: 3. A group of students got the following scores in a test: 6, 9, 12, 15, 18, and 21. Consider…

A:

Q: BURGER BARN ALLOWS STUDENTS TO CREATE UNIQUE BURGERS BY SELECTING FROM 4 TYPES OF BUNS, 3 TYPES OF…

A:

Q: If x-y? (5), then p(0.554 < x < 15.09) (using z? table) 0.980 0.950 0.05

A: Given that  X~χ2(5) Df=5 Find P(0.554&lt;X&lt;15.09)

Q: µ1 = average number of books read by the students of teacher A %3D µ2 = average number of books read…

A: Given that  μ1=Average number of books read by students of teacher A μ2=Average number of books read…

Q: An urn contains 5 red balls and 6 blue balls. A ball is drawn randomly, its colour is noted, and…

A:

Q: In response to concerns about nutritional contents of fast foods, McDonald's has announced that it…

A:

Q: It’s never lupus. Lupus is a medical phenomenon where antibodies that are supposed to attack foreign…

A:

Q: Number of women in Palawan who died from heart disease in 2004 number of women in Palawan who died…

A: Given that

Q: Given a standard deck of 52 cards. A player will be dealt 5 cards. (a) FIRST COMPLETE THE TABLE OF…

A: The number of ways of selecting r objects from a group of n objects are Crn Crn = n!r!n-r!

Q: 7. A supplier ships a lot of 1000 electrical connectors. A sample of 25 is selected at random,…

A:

Q: An article suggests that substrate concentration (mg/cm3) of influent to a reactor is normally…

A: Mean(µ) = 0.30Standard deviations (σ) = 0.07X ~ N (µ, σ )= N(0.30, 0.07)

Q: 4. Sixty percent of the families in a certain community own their own car, thirty percent own their…

A:

Q: From a class of 20 boys and 15 girls, a committee of five students will be selected. What is the…

A: Given that  Total students=20+15=35 Boys=20 , Girls=15 5 students are selected  Find  P(Exactly 1…

Q: Show E(X)

A: Here given joint distribution of x and y

Q: h) What is the standard deviation of M - 63? i) What is the probability that M-63>0.51? 0.2483 )…

A:

Q: Q2. Let a card be selected at random from an ordinary deck of 52 cards. Let A = [ the card is a…

A:

Q: upposed that in a senior college class of 500 students it is found that 210 smokes, 258 drink…

A: Let, A be the event that randomly selected student smokes. B be the event that a randomly selected…

Q: 6 A factory produces bars of chocolate that follow a Normal Distribution with a mean weight of 70g…

A:

Q: µ1 = average of the grades of the students who were taught fractions with procedure A µ2 = average…

A: There are two independent samples which are method A and method B. We have to test whether the…

Q: 5. H X-N 12,0- 4), which of the following is TRUER A P(6 <X< 18) = 1 B. P(6 <X< 12) = 0.5 C P(12 <x<…

A:

Q: A bag contains 44 U.S quarters and six Canadian quarters. If seven quarters are randomly picked from…

A: Given that. Total quarters=44+6=50 U.S quarters=44 Canadian quarters=6 Find P(at least 1 Canadian…

Q: A chalk box contains 5 pink chalks and 4 white chalks. If three items are picked at random, assuming…

A: Given that  Total chalks=5+4=9 Pink chalks=5 White chalks=4 3 chalks are chosen at random  Find P(at…

Q: 3 The mass of packages from a particular machine are normally distributed with a mean of 200g and…

A: Given that  X~Normal(μ = 200, ?2=9) μ = 200 , ? = 3

Q: If bolt thread length is normally distributed, what is the probability that the thread length of a…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: u1 = mean of the children's head circumferences u2 = mean of the children's head circumferences To…

A: Given that  μ1 = mean of the children's head circumferences μ2 mean of the children's head…

Q: In choosing a positive integer from 100 to 999, what is the possibility of choosing a positive…

A:

Q: An experiment was conducted to compare a teacher-developed curriculum, that was standards-based,…

A:

Q: olve the foolowing problems involving permutations and combinations. SHOW YOUR SOLUTION. 1.) In…

A: For the given data Find 1.) In how many ways can a president, vice president, secretary and…

Q: The average number of calls received by an operator is 10 calls per day. Find the probability that…

A: Given that  The average number of calls received by an operator is 10 calls per day. Find the…

Q: Do it completely and typewritten for an upvote.

A:

Q: An agronomist is interested in comparing the efficacy of two fumigants (A and B) and a control (O)…

A: In agricultural experimentation, the layout of R.B.D can be illustrated as follows:

Q: In a group of 20 friends, 9 like pizza, 11 like coke and 5 like both. If you know someone in the…

A: Given that  Total friends=20 Like pizza=9  Like coke=11 Like both=5

Q: If x~y² (5), then p(0.554 < x < 15.09) (using x? table) 0.980 0.950 0.05

A: Given that  X~χ2(5) Df=5 Find P(0.554&lt;X&lt;15.09)

Q: Your neighbor has 2 children. He picks one of them at random and comes by house; he brings a boy…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: Solution: The joint pmf of X and Y is  fX,Y(x,y)=(x+y)21     x=1,2,3    and y= 1,2  The pmf of X and…

Q: . In a binomial distribution with p=0.02 and n=70, what is the actual probability of three success?…

A: p =   = 0.021- p = 1 - 0.02 = 0.98n= 70 X ~Binomial(n, p) X follows the Binomial (70 ,0.02)The PMF…

Q: 21. A die is rolled. a. an even number or a 3? b. an odd number or a 4? с. an even number or a 1?

A: We have given that,  If a die is rolled then the sample space (s) is,  s = { 1, 2, 3, 4, 5, 6 } = 6…

Q: A magician plans to draw distinct cards from a regular deck. What is the probability (C) that the…

A: A regular deck of cards contains 52 cards.