A box contains 20 electrical components, whereof four are defective. A sample of five components are taken from the box. Calculate the probability that the sample contains (a) two defective components, (b) at least one defective component.

Q: Defects occur at random in planks of wood with an average of 0.5 per 10 cm length. Office building…

A:

Q: assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: According to the question, we have 51% of adults use their smartphones in meetings or classes. Here,…

Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

A: Binomial Distribution :  The binomial probability is a type of discrete probability distribution…

Q: Assume that when adults with smartphones are randomly​ selected, 59% use them in meetings or…

A: Given, p=0.59 and n=11 Let X be the random number which denotes the number of adults using…

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: given data,p(use smart phone in meeting or classes) = 0.43p = 0.43q = 1 - p = 1 - 0.43    = 0.57n =…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: Given that n =15 , P =0.45 Using binomial distribution Find P ( x <3 ) =?

Q: candidate for public office is believed to have the support of 60% of voters. Assume the number of…

A: Let the R.V X denotes the number of people who support the candidate and it follows the binomial…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A:

Q: a fair six sided die is rolled 10 times.each is independent.you want to find probability of finding…

A: Let the random variable X denotes the number of times a fair six-sided die is rolled. The number of…

Q: h) A factory is producing components, of which 1.9 % are defective. They are packed in boxes, each…

A: Given thatprobability that component is defective p = 1.9% = 0.019n = 15X ~Binomial(n, p) X ~…

Q: use them in meetings or classes. If 10 adult smartphone users are randomly​ selected, find the…

A: 10 adult smartphone users are randomly selected and 49% use them; n=10 p=0.49

Q: Assume that three adults are randomly selected without replacement from the 247,436,830 adults in…

A: 10% of adults in the United States use drugs

Q: Assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: Let X be the adults with smartphone X~B(n=10, p=0.51) P(X>=5)= ?

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: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

Q: Assume that when adults with smartphones are randomly​ selected, 59​% use them in meetings or…

A:

Q: There is an 85% chance that a randomly selected person will take their own re-usable bags to the…

A: We have given that p = 85% = 0.85n = 20 Here we will use binomial distribution because probability…

Q: An automated assembly line produces 43,500 parts per duty cycle. The probability that a randomly…

A:

Q: Of the cartons produced by a​ company, 7​% have a​ puncture, 4​% have a smashed​ corner, and 1.1​%…

A: It was stated that the cartons produced by a​ company, 7​% have a​ puncture. The cartons produced by…

Q: Of the cartons produced by a​ company, 10​% have a​ puncture, 8​% have a smashed​ corner, and 1.3​%…

A:

Q: Of the cartons produced by a​ company, 4​% have a​ puncture, 7​% have a smashed​ corner, and…

A: Given that, 4% have a puncture 7% have a smashed corner 1.3% have both a puncture and a smashed…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

Q: In a shooting arena there are 16 guns of type A and 3 guns type B. Probability of hitting a shot…

A: Let us denote H=the event of hitting There are total (16+3)=19 guns.So, P(A)=1619, P(B)=319Given…

Q: From a population of 3 million residents, 12 jurors are randomly selected. Suppose that 30% of the…

A: X=random variable denotes the population which belongs to hispanics

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: According to the provided information, p=0.43 n=10

Q: probability that there less than 2 accidents in a week?

A: here given, average of 4 accidents in week here use poisson process because  Event occurrence rate…

Q: Assume that when adults with smartphones are randomly​ selected, 57​%use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 41%use them in meetings or classes.…

A: From the provided information, Sample size (n) = 6 Assume that when adults with smartphones are…

Q: Two neoprene gaskets are selected from a big lot. The probability of obtaining 1 nonconforming unit…

A: Given, Let X be no of nonconforming units P(X = 1) = 0.35 P(X =2) = 0.15

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Of the cartons produced by a​ company, 7​% have a​ puncture, 10​% have a smashed​ corner, and 1.1​%…

A:

Q: A crate contains 50 led light of which 5 are defective and 45 are not. A Quality Control Inspector…

A: we have to find given probability.

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: Solution: Let X be the random variable that  adults uses smartphones in meetings or classes. The…

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: It is given that n = 12 and p = 0.55.

Q: A sample of 3 medicine bottles is taken from an injection molding machine that is 10% nonconforming.…

A: Given,Sample size, n = 3Probability of success, p = 10% = 0.10Let X be a random variable represents…

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given n = 13, p = 0.52, x = 5 X be the random variable of adults using smartphones in meetings or…

Q: A committee of 4 is being formed randomly from the employees at a school: 6 administrators, 38…

A: Number of administrators = 6 Number of teachers = 38  Number of staff = 5  Total number of employees…

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.