According to a journal article on ancient Japanese history, 1 in every 5 samurai became masterless (ronin) during the feudal age of Japan. A historian randomly and independently selected 20 samurai that served during the feudal period and is curious whether they became ronins at some points in their lives. What is the probability that at least 5 were ronins at some point in their lives? O A. 0.804 O B. 0.630 O C. 0.370 O D. 0.196

Q: In a manufacturing plant, three machines, A, B, and C, produce 41%, 38%, and 21%, respectively, of…

A: Given , P( A ) = 0.41 ,  P( defective | A ) = 0.01 P( B ) = 0.38 ,  P( defective | B ) = 0.02 P( C )…

Q: About one in every five Canadian residents were born outside of Canada. If 12 Canadian residents are…

A: # Given, one in every fire Canadian residents were born outside of Canada Then fr(outside) = 1/5…

Q: 10. At John F. Kennedy Elementary School, 81% of students buy their lunch. In a randomly selected…

A: We have given that p = 0.81 n = 22 X ~Binomial(n, p) X ~ Binomial (22, 0.81)The PMF of the Binomial…

Q: A campus program evenly enrolls undergraduate and graduate students. If a random sample of four…

A:

Q: According to a recent study, 52% of people admitted to running a red light. If 4 people are…

A:

Q: If a person randomly picks 4 of the 15 gold coins adealer has in stock, and 6 of the coins are…

A: Given , No of gold coins n=15No of random picks r=4P6 coins are counter feits=?

Q: In a certain community, 8% of all adults over 50 have diabetes. If a doctor in this community…

A: Introduction - Probability - Probability defines the likelihood of occurrences of an event . There…

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A:

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: Ffgg

Q: In a survey of 1200 college students living in the dorms, 600 said that they had only a tablet in…

A: Solution

Q: In a table of random digits such as Table 7.1 (below), each digit is equally likely to be any of 0,…

A: In a table, there are 10 digits in total. Since the occurrence of each digit is equally likely then…

Q: In a large statistics exam room, there are 150 accounting students (20 of whom are left handed), 40…

A: No of accounting students = 150 No of left handed accounting students = 20 No of management students…

Q: what is the probability that the student owns a. either a laptop or a personal computer or both. b.…

A: Total number of students= 600 Number of students who own laptop= 150 Number of students who own…

Q: A cell phone company found that 75% of all customers want text messaging on their phones, 80% want…

A: Given: Let's say that the total population is 100. Number of people want messaging is 75 Number of…

Q: The American Red Cross says that about 45% of the U.S. population has Type O blood, 40% Type A, 11%…

A: Let X represent the random variable   n=7 p=0.4   X~ Binomial (7, 0.4)

Q: According to the June issue of Consumer's Digest, census figures show that in 1978 almost 53% of all…

A:

Q: 4) According to a recent study, 1 in every 8 women has been a victim of domestic abuse at some point…

A: Given, no of women= 25 1 in every 8 women is abused, therefore p=1/8 = 0.125 Let X be the random…

Q: In a large city, 37% of all restaurants accept both master and visa credit cards, and 50% accept…

A: #  Let us assume,     M=Master credit card.     V=Visa credit card.     PM∩V=37%=0.37…

Q: On a deck of 52 playing cards, what is the probability of drawing either a heart or a club, then a…

A:

Q: According to the U.S. Federal Bureau of Investigation in Crime in the United States, in 2008,  72.0%…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: probability that the first household speaks French, but the second household speaks English?

A: Here given, 63% of households speak English as their primary language, and 23% speak French as their…

Q: In a study by Peter D. Hart Research Associates for the Nasdaq Stock Market, it was determined that…

A: e) The sample size n is 20. The probability of U.S adults invest in mutual funds (p) is 0.40.

Q: In a survey of 91 baseball fans in NYC, 48 were fans of the Mets, 58 were fans of the Yankees and 32…

A: given in a survey of 91 baseball fans in NYC 48 were fans of Mets and 58 were fans of the…

Q: In a survey of 104 baseball fans in NYC, 53 were fans of the Mets, 73 were fans of the Yankees and…

A:

Q: nt consists of recording the sex composition, in order of their births, of a four-child family in…

A: Assuming that a boy is equally likely as a girl to be born into a family,i.e., P(B) = 0.50 and P(G)…

Q: In Canada, 63% of households speak English as their primary language, and 23% speak French as their…

A: Solution: Let A be the event that the household speaks French and B be the event that the household…

Q: An experiment consists of recording the sex composition, in order of their births, of a four-child…

A: Given data: The four-child family in which the children were born at different times.   The…

Q: In 1998, as the House of Representatives prepared to release the videotape of his grand jury…

A: Obtain the probability that person did not approve of President Clinton as a person and did not…

Q: In a survey of 7780 workers, the following question was asked: How often are you late for work? A…

A: Topic-probability

Q: A company receives 65% of its orders over the Internet. Within a collection of 18 independently…

A: Given data, n=18 p=65%=0.65 P(X≤4)=?

Q: According to a journal article on ancient Japanese history, 1 in every 5 samurai became masterless…

A: Given that 1 in every 5 samurai became masterless (Ronin). Therefore probability of becoming Ronin…

Q: A study done on students attending Saddleback College found that 31% of them do not own their own…

A: From the provided information, 31% of students do not own their own car that is p = 0.31 Sample size…

Q: According to the estimation of a particular insurance company, in a particular year, 1 out of each…

A: The probability of a fire outbreak can be calculated as: Probability = Number of favorable…

Q: According to a journal article on ancient Japanese history, 1 in every 5 samurai became masterless…

A: Given information: According to a journal article1 in every 5 samurai became ronins during the…

Q: According to the open Doors Report, 9.5% of all full-time u.S. undergraduate studentsstudy abroad (…

A:

Q: What is the probability that a child expected from a certain family will be: a.) a boy b.) a girl.…

A: In this case, we need to find the probability that a child expected from a certain family will be a…

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Let X be the random variable from binomial distribution with probability (p)= 11% = 0.11 and sample…

Q: a. At Portland Community College in 2019, there are 23 full-time math teachers who identify as male,…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: If records indicate that 4 houses out of 1000 are expected to be damaged by fire in any year, what…

A: Given that 4 houses out of 1000 are expected to be damaged by fire in any year. Therefore,…

Q: In the St. Petersburg Community College, 30% of the men and 20% of the women are studying…

A: Let M=a student is menW=a student is womenE=a student is studying…

Q: Based on the table that is attached below, what is the probability that a randomly selected man…

A: Given a data table using the table we have to find what is the probability that a randomly selected…

Q: According to the Open Doors Report, 9.5% of all full-time U.S. undergraduate students study abroad…

A: a)   The percentage of undergraduate students study abroad is 9.5% The percentage of undergraduate…

Q: In a survey of 98 baseball fans in NYC, 51 were fans of the Mets, 68 were fans of the Yankees and 34…

A: Given that there total 98 fans And we have to find probability of picking one random fan who is…

Q: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

A: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

Q: If a ball is selected at random from an urn containing three red balls, two white balls, and five…

A: According to the provided information, there are 3 red balls, 2 white balls, and 5 blue balls

Q: An entrepreneur owns seven corporations, each with more than $10 million in assets. The entrepreneur…

A: Given,n=7p=0.12q=1-pq=1-0.12=0.88A random variable X~Binomial(n=7 , p=0.12)P(X=x)=7x0.12x0.887-x  ;…

Q: Thirty-eight percent of all shoppers at a large department store are holders of the store’s charge…

A: It is given that, thirty-eight per cent of all shoppers at a large department store is holders of…

Q: 2. A shipment of twelve smartphones contains seven with cracked screens. If sold in a random order,…

A: Given, Total no of smart phones in shipment = 12 Total no of smart phones with cracked screens = 7…

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.