Birth order A survey of students in a large IntroductoryStatistics class asked about their birth order (1 = oldestor only child) and which college of the university theywere enrolled in. Here are the results:Suppose we select a student at random from this class.What is the probability that the person isa) a Human Ecology student?b) a firstborn student?c) firstborn and a Human Ecology student?d) firstborn or a Human Ecology student? Birth Order1 or only 2 or more Total CollegeArts & Sciences 34 23 57Agriculture 52 41 93Human Ecology 15 28 43Other 12 18 30Total 113 110 223

Q: Profession Percent who voted | Percent in each profession Professional 84 12 White collar 73 24 Blue…

A: let professional , white collar , blue collar , unskilled , farmer and housewife are represented by…

Q: A baseball player hit 64 home runs in a season. Of the 64 home runs, 21 went to right field, 21 went…

A:

Q: 50 people responded to a recent poll regarding a potential upcoming mayoral candidate. Of those who…

A:

Q: A bag contains balls that are either red or blue and either dull or shiny. What is the sample space…

A:

Q: Workers Employment data at a large company reveal that 72% of the workers are married, that 44% are…

A: a. Among the worker at a large company, 72% of the workers are married, 44% are college graduates,…

Q: A ceramic company is considering stocking 4000 units of a special type of clay. It is contemplating…

A: Let S1,S2,S3 be the suppliers and D be the damaged clay, therefore: PS1=15004000=38 PS2=12004000=310…

Q: What is the probability that both of the selected students received a grade of A

A: Given, Total students = 10 Students received an A on the last examination = 5 Let n be the total no.…

Q: High School Graduates. According to the document Current Population Survey, published by the U.S.…

A: Normal approximation to the binomial: From the given information, it is clear that sample size, n =…

Q: In a city hospital there are five number of people per hour arrive at an emergency room for…

A: Given: λ=5 per hour. a)Then,PX=4=e-λλxx!=e-5544!=0.006762524=0.1745   Therefore, the probability…

Q: cab was involved in a hit and run accident at night. There are two cab companies that operate in the…

A: Probability that the cab is a green cab =0.85 Probability that the cab is blue  =0.15 The witness…

Q: A warehouse employ 23 workers on first shift, 19 workers on second shift, and 10 workers third…

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Q: (i) How many different samples of 4 can be selected from the 50 disks? (ii) How many of these…

A: here given box contains 50 CD-ROM of which 5 are defective  quality control manager randomly select…

Q: A certain region of a country​ is, on​ average, hit by 8 hurricanes a year. ​(a) What is the…

A: Since it is given that the in a  certain region of a country​ is, on​ average, hit by 8 hurricanes a…

Q: (a) What is the probability that a new customer has an accident over the first year of his contract?…

A: Let us define some events A : a new customer belongs to the group likely to have an accident. B : a…

Q: A sample of students, faculty, and administration from a large university were asked if they were in…

A: Given data,   Student Faculty Admin Total In Favor 478 314 789 1581 Against 251 121 390 762…

Q: 2. The probability that a person has a received a vaccination for a certain is illness is .48.…

A: Given: p=0.48 n=8   Let X~B(n,p)

Q: A certain region of a country is, on average, hit by 9 hurricanes a year. (a) What is the…

A:

Q: Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair…

A: Given Information: A repair facility currently has 25 failed keyboards, 6 of which have electrical…

Q: A standard admission test was given at three locations. Two thousand students took  the test at…

A: Given :  A standard admission test was given at three locations. Two thousand students took  the…

Q: A baseball player hit 62 home runs in a season. Of the 62 home runs, 17 went to right field, 22 went…

A: The probability of a home run, that hits towards a specific direction is given as the proportion of…

Q: United Airlines' flights from Boston to Atlanta are on-time 80 % of the time. Suppose 7 flights are…

A: 7 flights are randomly selected and the no. of on-time flights is noted.

Q: A survey of publishing jobs indicates that 92 percent are completed on time. Assume that three jobs…

A: Given:- p=0.92 q= 1-p =1-0.92 =0.8 n=3   we have to find the probability that all 3 jobs are…

Q: A baseball player hit 58 home runs in a season. Of the 58 home runs, 18 went to right field, 20 went…

A: Given: Total number of runs=58Number of runs went to right field=18Number of runs went to left…

Q: 15. All the fourth-graders in a certain elementary school took a standardized test. A total of 85%…

A:

Q: ccording to a research​ agency, in 16​% of marriages the woman has a​ bachelor's degree and the…

A:

Q: Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair…

A: From the question, it is given that ,Total fail keyboards = 25,Electrical defects = 6Mechanical…

Q: Blood Only 4% of people have Type AB blood.a) On average, how many donors must be checked to…

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

Q: Students attending an international event were asked if they can speak Arabic or Chinese. 25% speak…

A: We have to slove this question:

Q: 26. Survey on Answering Machine Ownership In a survey, 63% of Americans said they own an answering…

A: (26) Let the random variable X denote the no. of Americans said they own an answering machine and it…

Q: Wooden boxes are commonly used for the packaging and transportation of mangoes. A convenience store…

A: a. Consider X be a random variable which follows hypergeometric distribution indicates the number of…

Q: 23. Celebrities as Role Models In a sample of 1000 U.S. adults, 200 think that most Hollywood…

A: The probability is the chance of occurrence of variable in an event from a population. The…

Q: Tennis Challenge In a recent U.S. Open tennis tournament, there were 879 challenges made by singles…

A: a).In the US Open tournament, 152 challenges were upheld with overturned calls by men, 79 challenges…

Q: A quality control inspector samples of 500 LCD monitors and finds defects in three of them. a. What…

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Q: Printed circuit cards are placed in a functional test after being populated with semiconductor…

A: Given data: A lot contains  140 cards n = 20 cards are selected without replacement To find: (a) If…

Q: Subjects are randomly selected for the National Health and Nutrition Examination Survey conducted by…

A: It is given that the probability that someone is a universal blood donor (p) is 0.06.

Q: Inland Revenue audits 5% of all companies every year. The companies selected for auditing in any one…

A:

Q: Type of positions Gender Management 230 120 Skilled workers Male 165 Female 115 a. Suppose that at…

A: Basic probability and chi square test on independence.

Q: (a) What is the probability that a randomly chosen person received a Bachelor's Degree? ( (b) What…

A: here use given contingency table and baye's rule and basic probability  probability  = (no of…

Q: car dealer has the cars listed in the table below classified by type and color. If a ar is selected…

A:

Q: Employment data at a large company reveal that 51 % of the workers are married, that 43 % are…

A: From the provided information, 51% of the workers are married that is P (married) = 51% Married and…

Q: 9. Flight School Graduation At a recent graduation at a naval flight school, 18 Marines, 10 members…

A: There are 18 marines There are 10 navy wings  There are 3 members of Coast guard In total there are…

Q: Naturalization. The Office of Immigration Statistics collects and reports information about…

A: Normal approximation to the binomial: From the given information, sample size, n = 200. The…

Q: Religion Census reports for a city indicate that 62%of residents classify themselves as Christian,…

A: a.

Q: Using either permutation or combinations: Seven children are to be selected from a group of nine…

A: a)  As the Danylo and shuying are included . So now we have to select 5 children out of remaining 7…

Q: Home Ownership In a recent year , the rate of U.S. home ownership was 65.9 % . Choose a random…

A: Obtain the probability that 65 to 85 ( inclusive ) of them live in homes that they own. The…

Q: spun and will stop on a slice at random. (a) What is the probability that the wheel stops on a slice…

A:

Q: Two cards are drawn in succession from a standard 52-card deck. What is the probability that the…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: curriculum committee consists of 11 members. In a regular meeting last year, seven members of the…

A: According to the given sum, Let X be a random variable, that represents the number of committee…

Q: Three defective items are known to be in a container containing 40 items. A sample of five items is…

A: Giventhree defective items are known to be in a container of 40 itemsp=340=0.075n=5Let "x" be the…

Q: Ten people arrive to eat at a restaurant. The only seating available for them is at two circular…

A: Given that, Ten people arrive to eat at a restaurant. The only seating available for them is at two…

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.