A local radio station surveyed 200 students from one high school to determine their favorite music. The results are: Rock Music (45% of students); Rap Music (35% of students); Country Music (20% of students) If there are 3000 high school students in the city, how many of them woul you expect to like Country music?

Q: How many choices are there for a person to check out 4 CDs from a library that has 25 CDs of his…

A: Given : n = 25 x = 4

Q: A survey of 150 students found 120 like study hall, 70 like gym class, and 50 like both. How many…

A:

Q: Kara did a survey to determine to study the types of pets that students in her school had. She…

A:

Q: A student is to answer 12 out of 15 questions on an exam. How many choices does he have?

A: The total number of questions in the exam is 15. The student has to answer 12 out of 15 questions.…

Q: In an election for Homecoming King, 500 votes are tallied for 3 candidates: Bobby, Frank, and Hao.…

A: A detailed solution is given below.

Q: In a mathematics class, eighteen students received an A on the third test, which is 150% of the…

A:

Q: A softball league has 13 teams. If every team must play every other team once in the first round of…

A: We are given that there are 13 teams and every team needs to play against every other team. For exam…

Q: Miguel is auditioning in one of the prestigious singing contest on television. If he is required to…

A:

Q: If you expect to have four times as many women (compared to men) at a 20-person Emergency Room…

A:

Q: in a qualifying race for a road cycling event, 15 men competed for five slots.How many different…

A: Given The total number of men (competed)=15 The number of slots=5 Apply permutation formula…

Q: A survey was done on a college campus to determine how many students owned a cell phone. Of the 140…

A: Given information: It is given that the total number of students surveyed is 140. Calculation: The…

Q: In a year there are 956 births in a town A, of which 52-5% were males, while in towns A and B…

A:

Q: In a race of 24 people, the top 8 are awarded different amounts of prize money, with first receiving…

A: Permutation: The number of different arrangements of ‘r’ elements (order matters) from a set of ‘n’…

Q: In a class of 40 students, 26 like Math, 12 like physics, and 6 like both math and physics.…

A: Solution: From the given information, number of students in a class is 40. Number of students like…

Q: 5 Brady went to a big parade and saw 42 different marching bands. If each band had an average of(120…

A: Brady went to a big parade and saw 12 different marching bands. Each band had an average of 120…

Q: Mr. H has a collection of 500 vessels. In how many ways can he name his favorite and second favorite…

A:

Q: for a sport radio show, you are asked to research the question whether more home runs are hit

A:

Q: in a survey of 80 fifth grade students who play soccer,basketball,or both,60 students play and 40…

A: Form the given information, In a survey of 80 fifth grade students who play soccer, basketball or…

Q: A dog shelter is giving away 16 different dogs, but you have room for only six of them. How many…

A: A dog shelter is giving away 16 different dogs. And there is room for only six of them.

Q: Kristen's financial advisor has given her a list of 8 potential investments and has asked her to…

A:

Q: At an appliance store’s grand-opening sale, 152 customers bought a washer or a dryer. Looking at the…

A: Here we have to find the number of customers who bought only washer. The solution is following .

Q: At a competitive examination at which 600 graduates appeared, boys outnumbered girls by 96.

A: It is asked to find the number of boys who qualified for the interview. Let's assume,  N = Total…

Q: In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only…

A:

Q: The Cincinnati Angry Unicorns is a local swimming team which currently has seventeen members. If…

A:

Q: In a mathematics class, 21 students received an a on the third test, which is 175% of the students…

A:

Q: A fan of country music plans to make a custom CD with 12 of her 25 favorite songs. How many…

A: Given dataTotal songs N = 25 No of combinations for size 12 is given by

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

A:

Q: A college golf team consists of four players who are ranked from 1 through 4. If a golf coach has…

A: Given that a college golf team consists of four players who are ranked from 1 through 4.

Q: As a television executive, you have been given 24 shows to choose from to run during your prime time…

A:

Q: Among 120 pupils, it came out that 40 like both biscuits and toffees, 16 like neither and twice as…

A: Given: total no of people=120 No. of people who like neither biscuits and toffees=16 No. of people…

Q: In a survey conducted by Helena, a financial consultant, it was revealed that of her 400 clients,…

A:

Q: While reviweing the previous days arrest report, a police sergeant notices that six suspects were…

A:

Q: From a survey of 100 college students, a marketing research company found that 50 students owned…

A: Given form a survey of 100 college students a marketing researchcompany found that 50 student…

Q: A woman has two skirts and six blouses. Assuming that they all match, how many different skirt and…

A: As we know, nCx=n!(x)!  *  (n-x)! ; where n!=1*2*3*.....(n-1)*n

Q: The manager of the winning soccer team chooses three of the 20 members to be interviewed by a sports…

A:

Q: The finals for the 100-meter sprint at the Olympics has 5 runners. In how many ways can they place…

A: In 60 ways they place first , second , third .

Q: Out of 2000 families with 4 children each, how many would you expect to have (a) at least 1 boy, (b)…

A:

Q: In a city of 45,000 homes, a survey was taken to determine the number with Wi-Fi access. Of the 500…

A: Here in a city there are 45000 homes  i.e. N = 45000 500 homes are surveyed, 300 had wifi access…

Q: Ben is studying photography, and he was asked to submit 6 photographs from his collection to exhibit…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! Ben has 15…

Q: At a liberal arts school, a survey of 100 students indicates that 68 enjoy their English class while…

A: Let,Number of students who enjoys English subject = n(E)Number of students who enjoys Mathematics…

Q: The number of ways in which 2 cards can be chosen or selected from a total of 6 cards equals:

A: We are asked to find the number of ways of selecting 2 cards from 6 cards

Q: Eight students entered the testing room that had 20 chairs evenly arranged on each side. If two of…

A: Let us assume there are three ladies A, B and C sitting beside each other. The different ways in…

Q: A fan of country music plans to make a custom CD with 14 of her 26 favorite songs. How many…

A:

Q: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…

A: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…

Q: A survey was conducted to determine the number people who own different styles of vehicles. The…

A:

Q: in a mall survey, 200 consumers were asked where they did their gift shopping; Macy’s, JC Penny’s,…

A: Total consumer = 200 consumers Total number of people who shopped at least at two different stores =…

Q: An architect designs a theater with 18 seats in the first row, 22 in the second, 26 in the third,…

A:

Q: A chess club with 40 members is electing a new president. Deshaun received 36 votes. What percentage…

A:

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.