At a certain college, 28% of the students major in engineering, 18% play club sports, and 5 both major in engineering and play club sports. A student is selected at random. a. What is the probability that the student is majoring in engineering? b. What is the probability that the student plays club sports? c. Given that the student is majoring in engineering, what is the probability that the student plays club sports?

Q: It was estimated that 30% of all seniors on a campus were seriously concerned about employment…

A: Let us denote: E=seriously concerned about employment prospects G= seriously concerned about grades,…

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 consumer organization estimates that over a​ 1-year period 18​% of cars will need to be repaired​…

A: It is given that, P(repaired once)=0.18 P(repaired twice)=0.05 and P(three or more repairs)=0.04.

Q: An insurance company has the following data on its customers: 80% of customers insure one car 10% of…

A: Given Data; P( one car)=0.8 P( motorcycle)=0.1 P( One car and Motorcycle)=0.05

Q: A record-store owner assesses customers entering the store as high school age, college age, or…

A:

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in South…

A:

Q: A standard deck of 52 cared is shuffled, and one card is draw . What is the probability that the…

A: Number of cards in a deck n(S)=52 a)P(Red cards)=?

Q: A clothing store, Threads R Us, has 900 regular customers. Of these, 60% are college students, and…

A: Suppose we have the information regarding the probability of one event and that of its complementary…

Q: For a specific year a total of 2541 postal workers were bitten by dogs. The top six cities for…

A: For a specific year a total of 2541 postal workers were bitten by dogs. The total number of people…

Q: Although studies continue to show smoking leads to significant health problems, 20% of adults in the…

A: Note: Hey, since multiple sub parts are posted, we will answer first three sub parts according to…

Q: 18. On the average, two students per hour report for treatment to the first-aid room of a large…

A: Givenon average 2 students per hour report for treatmentλ=2x~poisson(λ=2)P(X=x)=e-λ×λxx! ; x≥0

Q: A survey was conducted of 200 students at SUNY WCC, asking them “Do you smoke?” Results are shown in…

A: We have given that the data of 200 students of their personal interest that is smoking. There are…

Q: 3/ A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Let us denote A= automobile  H= house  Given that P(A)=40%=0.40  P(H)=45%=0.45 P(A and H)=20%=0.20

Q: A record-store owner assesses customers entering the store as high school age, college age, or…

A: A) Probability of the randomly chosen customer entering the store will make a purchase is…

Q: Given that there are 3 different colours, Blue, Red and Green, and different group classisfied as…

A:

Q: Recent research suggests that 73% of Americans have a home phone, 83% have a cell phone, and 58% of…

A: Given:

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: (a) What is the probability that the second marble is blue, given that the first marble was green?…

A: Here given tree diagram of marbles drawn

Q: In a random survey of students concerning student activities, 31 engineering majors, 27 business…

A: Find probability

Q: About 10% of the population of a large country is hopelessly romantic. a) If two people are…

A: According to the provided data, the probability of any individual being hopelessly romantic is 10%,…

Q: and 3 are users of other drugs?(b) What is the probability that of 10 workers testing positive, all…

A:

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 market survey was conducted in four cities in Zambia in order to find out the preference for brand…

A:

Q: In a sample of 50 employees, 32 were females, 22 were smokers, and 15 were males and smokers. If an…

A: Given that  Sample size (n) = 50 Number of females (F)  = 32 Number of males (M) = 50 -32 = 18…

Q: accounting professor claims that no more than one quarter of undergraduate business students will…

A:

Q: a) What is the probability that exactly two of the selected bulbs are rated 23-watt? b) What is the…

A: nCr=n!r!n-r!   6 lightbulbs are 13 watt,5 are rated 18 watt,6 are rated 23 watt. 3 bulbs are…

Q: A survey is being conducted in a county where 63% of the voters are Democrats and 37% are…

A: Given: A survey is being conducted in a country where 63% of the voters are democrats and 37% are…

Q: a. What is the probability that a person selected at random likes dogs and movies? b. What is the…

A:

Q: At a certain college, 30% of the students major in engineering, 20% play club sports, and 10% both…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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: a) What is the probability that they received a citation and attended traffic school?  b) What is…

A: here define event receive citation  =C attend traffic school = T p(T) = 0.22 p(C) = 0.20 p(T| C) =…

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: In a class of 100 first year students, 54 studied English, 69 studied Filipino, and 35 studied both…

A: Given that ;  Total students in first year = 100 Student studied English = 54 Student studied…

Q: The chances of a delegate attending a certain seminar arriving via plane, bus, vehicle, or rail…

A:

Q: In a random survey of students concerning student activities, 32 engineering majors, 26 business…

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: What is the probability that a five-card poker hand from a standard deck has two pairs of non-face…

A: There are 52 cards in a standard deck. 5 cards can be chosen in 525 ways Now, there are 4 face cards…

Q: If you select one card at random from a standard deck of 52 cards, what is the probability of that…

A: topic- probability

Q: A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice…

A: Given,   Apprentice Journeyman Master Total Plumbers 55 40 10 105 Electricians 25 40 10 75…

Q: 5) Students in a political science course were asked to describe their politics as "Liberal",…

A: This is Conditional probability question

Q: 1. According to the Consumer Electronics Manufacturers Association,10% of all U.S. households have a…

A: Solution According to guidelines we three subpart of the question

Q: a) What is the probability that a randomly chosen male respondent or his partner has blue eyes? b)…

A: HERE GIVEN CONTIGENCY TABLE OF COLOR OF EYES OF MALE AND HIS PARTER AS PER POLICY I  HAVE CALCULATED…

Q: A 5-person basketball team consists of a point guard, a shooting guard, a forward, a power forward,…

A: a. P [selecting a complete team] = 0.2x0.25x0.33x0.5x1 = 0.00825 If a point guard is chosen from one…

Q: In a recent study, 35% of people surveyed indicated chocolate was their favorite flavor of ice…

A: Let X denote the number of those in the sample name chocolate. Then X follows a Binomial…

Q: Eleven percent of American children (ages 4 to 17) have Attention Deficient Hyperactivity Disorder…

A:

Q: (a) What is the probability that a PC is in a bedroom? (b) What is the probability that it is not in…

A: here use given probability