About 14​% of the population of a large country is hopelessly romantic. If two people are randomly​ selected, what is the probability both are hopelessly romantic​? What is the probability at least one is hopelessly romantic​? Assume the events are independent.

Q: On an entrance examination for Fairlywell College, % of the students pass the mathematics sections,…

A: event  A: pass mathematics test B: pass English test

Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…

A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…

Q: If we adopt an animal at random from the shelter and that animal has spots, what is the probability…

A: Define some events A : The animal is a cat. B : The animal is a dog. E : The animal has spots.

Q: 40% of homeowners own AC. If 15 people are selected at random, what is the probability that at most…

A: We have given that the Binomial distribution with parameters p=40%= 0.40 and n=15.   The pmf of…

Q: In a group of 25 boys, 20 play ice hockey and 17 play baseball. They all play at least one of the…

A:

Q: Suppose you manage the demand for a towing company in Little Rock, Arkansas. On a usual day your…

A: Here Given Company gets five request Per day So Here we can Use Poisson distribution

Q: four sections of economics are taught during the day and two sections are taught at night. 90…

A: Let E1 denote denote the sections taught during day  and E2 denote the sections taught at night.…

Q: if six different customers a, b, c, d, e and f arrive for service at random order, what is the…

A:

Q: uppose you and your best friend are both in a group of 20 people, and five people are to be randomly…

A: Given that  Suppose you and your best friend are both in a group of 20 people. Randomly selected…

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

A: It is given that 35% of the people surveyed indicate chocolate was their favourite flavour of ice…

Q: If a family has four children, is it more likely they will have - two boys and two girls (OPTION A)…

A: given data family has four children let x = No. of boys P(boy) =p =0.5 n = 4 p(x=X) = nxC pxqn-x…

Q: Suppose patrons of a restaurant are asked whether they prefer water or soda. 70% say they prefer…

A: The objective of this question is to find the conditional probability that a randomly selected male…

Q: Suppose you have 11 drinks, 6 regular and 5 diet, in a cooler. You select two at random. Answer the…

A: There are 11 drinks, 6 regular and 5 diet, in a cooler.   To select two drinks at random.   To find:…

Q: At a certain medical school,  15% of the students are from a New York State. Of those students who…

A:

Q: In a certain high school, 11% of the students like math, while 18% of the students like chemistry.…

A: 0.0198 x 100= 1.98%

Q: A group of volleyball players consists of four grade-11 students and six grade-12 students. If six…

A: Probability is the chance of occurrence of an event.

Q: Three airlines serve a small airport. Airline A has 55% of all scheduled flights, airline B has 33%…

A:

Q: A financial services committee had 60 ​members, of which 10 were women. If 9 members are selected…

A:

Q: .Two cards are drawn successively from a deck of 52 cards, what is the Probability that the first…

A:

Q: In the game of roulette, a steel ball is rolled onto a wheel that contains 18 red, 18 black, and 2…

A: Given that number of red, black & green slots are 18, 18 & 2 respectively. Number of…

Q: In a survey of students, 60% were in high school and 40% were in middle school. Of the high school…

A: A measure of the likelihood or chance of an event occurring is termed 'probability'. It quantifies…

Q: 4. At a High school, 70% of the seniors have taken an advance calculus course. Of those who have…

A: Let us denote:A=Advanced calculus courseB=Pre health science majorGiven that P(A)=70%=0.70,…

Q: 33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39…

A: Given information: A random sample of college students of size n = 39 is randomly selected.…

Q: 77% of all students at a college still need to take another math class. If 43 students are randomly…

A: I will use excel to solve this question.…

Q: 77% of all students at a college still need to take another math class. If 35 students are randomly…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: Assume that the car lot contains 25 percent Volvos, 30 percent Corvettes, and 45 percent BMWs. Of…

A: To work out the required conditional probability

Q: 5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are…

A: 9. John owns nine t shirts out of which he packs four t shirts this can be done is 94 ways also…

Q: an airline found that 6% of people making a flight from Miami to Denver do not show up for their…

A:

Q: Three airlines serve a small town in Ohio. Airline A has 48% of all scheduled flights, airline B has…

A: According to the given information, PAirline A=0.48 PAirline B=0.33 PAirline C=0.19 POn time /…

Q: The probability that it will rain today is 50%. The probability that it will rain tomorrow is 60%.…

A: 2) The probability that it will rain today is 50%.

Q: . Assume that 75 percent of the students at the university have taken 4 years of high school math.…

A: To solve this problem, we will need to figure out what percentage of students plan to major in…

Q: In a certain school, 17% of the students are enrolled in a psychology course and 28% are enrolled in…

A: