The probability that a randomly chosen citizen-entity of Cygnus is of pension age† is approximately 0.3. What is the probability that, in a randomly selected sample of three citizen-entities, all of them are of pension age? (Round your answer to four decimal places.)

Q: If 12 of the students from the special programs are randomly selected, find the probability that at…

A: Given,  P(graduation) P=o.923for a binomial distributionP(x=1)=nCxPxqn-x⇒q=1-pa)n=12,…

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A: Given : Let X be the number of breakdown per day. A new automated production process average 1.5…

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A: Given, N=9, p=0.2 x=2

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Q: Daniil Dubov has a 10% chance of winning a professional chess tournament. a. In a year if there are…

A: GivenDaniil Bubov has 10% chance of winning a professional chess tournamentp=0.10Let "x" be that…

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A: Given that n =9 ,p = 0.903 Using binomial distribution

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Q: A shipment of 8 computers contains 2 with defects. Find the probability that a sample of size 4​,…

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Q: A shipment of 8 computers contains 3 with defects. Find the probability that a sample of size 4​,…

A: From the provided information, A shipment of 8 computers contains 3 with defects that is probability…

Q: A study was conducted to determine whether there were significant differences between medical…

A: I will use the excel formula "=BINOM.DIST(x, n, p, FALSE)" to find the probability. x n p Excel…

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A: Let p denote that the probability that a randomly selected 40-year old female will live to be 41…

Q: Suppose that 5 percent of the population of a certain town contracted the COVID19 virus. There is a…

A: Consider that A and B are two events, with corresponding probabilities P (A) and P (B). Denote (A ∩…

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A:

Q: The probability that a randomly selected 29-year old male will survive the year is 0.998135…

A:

Q: An advertisment claims that 63.8% of customers are satisfied with a certain bank. What is the…

A: Solution

Q: Two balls are picked at random from a bag containing 8 red balls and 5 white balls. Calculate the…

A: Given data :  Red balls = 8  White balls = 5  Total number of balls = 13

Q: Suppose that in a particular country, the probability that a randomly chosen person is a left-handed…

A: GivenThe probability that randomly chosen person is left handed base ball player =0.014The…

Q: A production line produces resistors which are 4% defective. If a random sample of 150 resistors is…

A: It is given that 4% are defective that means p=0.04 The sample size is 150 so n=150 m=np=150×0.04=6…

Q: Are today’s college graduates willing to work long, hard hours on the job? Suppose the true…

A:

Q: On the average, 20 people per hour uses an express teller machine situated inside a chool complex.…

A: We have given that  Average ( λ ) = 20 Formula used.  P(X=x)= (e-λ  * λx )/x!

Q: has been estimated that 17 % of mutual fund shareholders are retired persons. Assuming the…

A: We have to calculate population mean  standard deviations  here n= 400, p= 0.17

Q: The probability that a randomly chosen citizen-entity of Cygnus is of pension age† is approximately…

A: Answer: Given that: p= 0.6 , n= 5 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: A food processor wants to know whether the probability is really 0.65 that a customer will prefer a…

A: Given that, Proportion p^ = 0.65 n= 100 (sample size) Selected costumers x= 74 p= x/n = 74/100 =…

Q: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective pipes. A…

A: Solution-: Given: N=30, n=5,M=8, X=3 We want to find P(exactly 3 defective pipes)=?

Q: what is the probability that when taking a sample without replacement of size 28, 12 students are…

A: HERE GIVEN, 47 students are taking the test from room cs103 located in the health science building.…

Q: In a certain country, the true probability of a baby being a boy is 0.538. Among the next six…

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Q: conduct a survey to measure satisfaction regarding online learning. The following table contains a…

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A:

Q: Daniil Dubov has a 20% chance of winning a professional chess tournament. a. In a year if there are…

A:

Q: The probability of a successful optical alignment in the assembly of an optical data storage product…

A:

Q: A factory uses a specific machine to produce pieces. From previous data, we know that 97% of the…

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Q: Suppose that when a machine is functioning well, 92% of the items are non defective. Assume that a…

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A: Given, Level of confidence C = 0.99 Level of Significance α =1-C = 0.01 Critical zα/2 = 2.58…

Q: The probability that a randomly selected 29-year old male will survive the year is 0.998135…

A:

Q: In the senior year of a high school graduating class of 78 students, 30 studied mathematics, 60…

A: Its probability

Q: A researcher receives 100 containers of oxygen. Of those containers, 20 have oxygen that is not…

A: Given Data: n=100 n(ionized)=20 n( not ionized)=80

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Q: According to the American College of Obstetricians and Gynecologists, 22% of all births in the U.S.…

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Q: A shipment of 8 computers contains 3 with defects. Find the probability that a sample of size 1​,

A:

Q: If 2 of 20 tires are defective and 8 of them are randomly chosen for inspection.what is the…

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Q: standardized that 14 out of every 25 items is produced without defects, defective and non-defective…

A: Solution

Q: Thế probability that a randomly selected 1-year-old male salamander will live to be 2 years old is…

A: See the hand written solution

Q: uppose that the probability that any stock increases in price (over a 3 month period of time) is…

A: Solution: Given information: n= 115 Sample size  p= 0..60  Population proportion

Q: A poll reported that 63​% of adults were satisfied with the job the major airlines were doing.…

A:

Q: the probability that 38 or more will not develop any faults within the first 3 years of use

A: Given, p = 0.003 q = 1-p = 0.997 n = 40 Let X be no. of fault machines

Q: ne production run of 500 eighty-unit lots, how much would be the loss if the cost to manufacture one…

A: The number of fuses are , n=4. The probability of defective fuses are, p=10%.=0.1. Let  X is number…

Q: A survey showed that 79​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…

A: Let "X" be the adults who need correction​ (eyeglasses, contacts,​ surgery, etc.) for their…

Q: During the first 28 days of the new program, the manager determined that 4 % of customers were not…

A: Obtain the probability that 7 or fewer customers will be dissatisfied with the results of their…

Q: A study was conducted to determine whether there were significant differences between medical…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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.