66% of students at one college drink coffee, and 13% of people who drink coffee suffer from  insomnia. What is the probability that a randomly selected student drinks coffee and suffers from insomnia?

Q: In a large population, 50 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Givenp=50%=0.50n=3x=noof people get vaccinatedx~Binomial(n=2,p=0.50)P(X=x)=Cxn px (1-p)n-x    ;…

Q: A monk crossbred plants, which can have purple or white flowers, and obtained 600 plants with white…

A: The number of white flower plant are 600. The number of purple flower plant are 250.

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: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

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: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: 1.Sports Participation At a particular school with 200 male students, 58 play football, 40 play…

A: Based on the provided information, out of 200 male students, 58 play football, 40 play basketball,…

Q: A hockey coach was taking her team out to a picnic lunch to celebrate their first win. She made 7…

A: Here we should find the probability that all of them are hummus.

Q: In a given​ year, 1,895,051 males and 1,792,212 females were born in a certain country. If a child…

A: Given Data: The number of males born is: n(M)=1895051 The number of female born is: n(F)=1792212 The…

Q: Thirty percent of the students in Unix College is in favour of a ban on drinking in the dormitories.…

A: Let us assume that X= number of students who favor ban  X follows a binomial distribution with…

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

A:

Q: Suppose a group of students take an influenza test and 96% of the students test positive. What is…

A: Given that Student tested positive = 96% I.e probability of students tested positive is =0.96

Q: A manufacturer has shipped 39 cameras to an electronics​ store, of which 3 are defective. If the…

A: As per above statement: No. of defective cameras: 3 No. of total cameras: 39 No. of cameras sold: 25…

Q: Seventy five percent of students at a collage with a large student population of Size 100 use the…

A:

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

A:

Q: As part of a promotional campaign, a store is offering a free Fitbit with the purchase of the new…

A: Let A denote the event that iPhone are faulty  Let B denote the event that Fitbits are faulty The…

Q: In a certain country, 47 percent of the population are on a strict diet. In a sample of 20…

A: Let p be the probability that an individual is on a strict diet. Given that p = 47% = 0.47 Let X…

Q: In a city of 120,000 people there are 20,000 Norwegians. What is the probability that a randomly…

A: Total number of people, N=120,000 Number of Norwegians, n=20,000 The objective is to find the…

Q: (b) In one high school, the athletic director found that 8% of the varsity athletes had concussions…

A: Solution: Let A be the event that the athletes had concussions while playing at the school. P( A)=…

Q: About 10​% of the population of a large country is nervous around strangers. If two people are…

A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…

Q: In a large population, 53% of the people have been vaccinated. If 5 of the people are randomly…

A: It is given that n = 5 and p =0.53.

Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

A:

Q: Fifteen percent of the students at Central High take Spanish, 12% take French, and 4% take both. If…

A: SOLUTION-

Q: In a certain science degree program, 25 percent of the students failed their mathematics exam, 15…

A:

Q: At a hot air balloon festival, Terrell made note of how many passengers were in each balloon and the…

A: We have to find out the probability for contingency table.

Q: A grocery store manager notes that 35% of the customers who buy a product make use of a store coupon…

A: Given: Probability of customers who buy a product is, p=35%=0.35. Number of people purchase the…

Q: Police records show that for a certain area in Arendale, when the driver of a car double parks, 60%…

A: Let X be the number of not allowed towed away  Let p be the probability of towed away=0.6  q be the…

Q: 2.  In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people…

A: Given data in a recent survey  18 people preferred milk , 29 people preferred coffee, 13 people…

Q: At a car manufacturing plant, 20% of cars have some sort of defect when they come off the line. If…

A: Given dataProbability of defect in a car(p) = 0.20n = 99According to Binomial theoremProbability of…

Q: In a group of 100 sports car buyers, 40 bought alarm systems, 30 purchased bucket seats, and 20…

A: Let  A be am event that alarm bought  B  be an event that bucket seat is bought   Given ,  Required…

Q: In a school of 100 students, 70 students play either football or cricket with 40 students that play…

A:

Q: Three percent of a given lot of manufactured parts are defective. What is the probability that in a…

A:

Q: about 7% of the population of a large country is nervous around strangers. If two people are…

A: The probability that both are nervous around strangers is,

Q: In a particular class, 78% of the students have a smartphone, 38% have a smartphone and a tablet,…

A: GivenPercent of students have a smartphone = 78%percent of students have a smartphone and a tablet =…

Q: According to a survey, 31% of teenagers could recognize a picture of legendary film star John Wayne.…

A: We have to find out given probability that Rendomly selected  teenagers could recognize John…

Q: In a large population, 40 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: At a certain car dealership, 20% of customers who bought a new vehicle bought an SUV, and 3% of them…

A: It is given that, the proportion of customers who bought a new vehicle bought an SUV is 0.20 and the…

Q: Employment data at a software company reveal that 50% of employees have a computer science degree,…

A: Obtain the probability that a randomly chosen employee is female or has a computer science degree.…

Q: In a given​ year, 1,841,277 males and 2,071,896 females were born in a certain country. If a child…

A:

Q: In a certain card game, four players are dealt 13 cards each from a conventional deck of 52 cards.…

A: Answer: - In a certain card game, four players are dealt 13 cards each from a conventional deck of…

Q: The proportions of blood phenotypes A, B, AB, and O in the population of all Caucasians in the…

A: From the provided information, P (A) = 0.40, P (B) = 0.11, P (AB) = 0.04 and P (O) = 0.45

Q: Given that 20 books in a shipment of 200 books contain misprints, and you buy three of them. What is…

A:

Q: ) A football match played between Alanyaspor and Başakşehir teams ended 3-3. What is the probability…

A: A football match ended = 3-3 Total number of matches = 6 To find the probability that Alanyaspor…

Q: Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is…

A: Multiplication rule for independent events:If two events A and B are independent then the…

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: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

Q: 1) In New York State, 46% of all teenagers own a skateboard and 35% of all teenagers own a…

A: Teenagers own a skateboard = 46% = 0.46teenagers own roller and own a skateboard = 35%=0.35

Q: In one town, 81% of all voters are Democrat. If two voters are randomly selected for a survey, what…

A: It is given that the percentage of voters are Democrat is 81%.

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.