Of the 328 patients that completed the survey last year, 211 of them claimed to be returning patients. Name the population and the sample in the survey above.

Q: A public health unit in Ontario collected mosquitoes in several areas to test for West Nile virus.…

A: If ratio are given in m:n in positive and negative samples of total is r. then xy=mn then x=myn and…

Q: . After inventory, you found out that there are 10 green shirts, 5 white shirts, and 3 red shirts…

A: We have 10 green shirts, 5 white shirts, and 3 red shirts in the stock now.  We had total 5 colors…

Q: In a football league, each team plays each of the other teams twice during the season, once at home…

A: Here we will going to use basic concept of Combination.

Q: There were 130 faculty at a conference. If there were 18 more women than men attending, how many of…

A: let  number of men =x and  number of women =y

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

A:

Q: The IU East van that has a seating capacity of seven is to be used by seven athletes to get to the…

A: Given that, The IU East van that has a seating capacity of seven is to be used by seven athletes to…

Q: In a group of 70 people, 37 like coffee, 52 like tea and each person likes at least one of the two…

A:

Q: Find the following quiz average for a class of 20: On a quiz worth 5 points, four students earned a…

A: Given: Number of students = 20 Number of students earning 5 = 4 Number of students earning 4 = 7…

Q: In a certain year, there were 86 female officials in Congress, which is comprised of the House of…

A:

Q: In a certain year, there were 82 female officials in Congress, which is comprised of the House of…

A: Let there were x female senators. Since, there were 50 more female members of the house of…

Q: There are 374 students who are enrolled in an introductory geology course. If there are five boys to…

A:

Q: There are four boys to every three girls in an introductory geology course. If there are 392…

A: First we let the ratio be 4x/3x . And total is 392.It means 4x+3x=392 .

Q: 3 of his stickers 10 Rudi, Sam and Ted had 162 stickers altogether. Rudi gave of his stickers to…

A: Given Information - Total number of stickers Rudi, Sam and Ted had = 162 Rudi gave 310 stickers to…

Q: Liza is a basketball coach and must select 5 players out of 12 players to start a game. In how many…

A:

Q: Jack Frosty is preparing himself for another potential snowstorm by setting out all of his warmest…

A: given  2 pairs of boots 3 winter hats 3 pairs of gloves 4 jackets He has 2C1*3C1*3C1*4C1 outfit…

Q: If erwan owns 120 books of which 70% are fantasy and Julie has 80 books of which 25% are fantasy.…

A: Given, Erwan has 120 books of which 70% are fantasy books, and Julie has 80 books out of which 25%…

Q: David has to choose 5 chocolates from 6 different dark chocolates, 4 different white chocolates and…

A: From the given information,   David has to choose 5 chocolates from 6 different dark chocolates, 4…

Q: Three golfers, Vijay, Ernie, and Phil, during five years had a total of 204 top-finishes. Ernie had…

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: Out of 10 families, six families have dogs, four have cats and two have neither cats nor dogs. Find…

A: The number of elements in the set can be calculated using the set formula. The union of the sets can…

Q: There are 399 students who are enrolled in an introductory geology course. If there are five boys to…

A: Total number of students are 399. There are five boys to every two girls.

Q: An executive as 8 skirts, 8 jackets, and 10 blouses that all coordinate. If an outfit consists of…

A: Given, Number of skirts=8 Number of jackets=8 Number of blouses=10 An outfit consists of 1 skirt, 1…

Q: In a bird sanctuary, 30% of the birds are hummingbirds. If there are about 350 birds in the…

A: In a bird sanctuary 30% of the birds arehumming birds. if there are about 350 birds in the sanctuary…

Q: Ernie had 9 more top -10 finishes than Phil. Vijay had 13 more top-10 finishes than Phil.

A: We denote top-10 finishes of players Vi, Er, and Ph by x, y, and z respectively. Now we have…

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

A:

Q: Within the first 4 months of the year, Vicky was able to serve the following number of burgers: 370,…

A:

Q: Each marble bag sold by Raina's Marble Company contains orange marbles for every 4 blue marbles. If…

A: The given data is: Marble Company contains orange marbles for every 4 blue marbles If a bag has 18…

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

A: Topic: Permutations and combination

Q: m had either one or two previous arrests. Including yesterday’s arrests, there were 18 total arrests…

A: There are 7 suspects who were arrested. All of whom had either one or two previous arrests. Let x…

Q: At a local Dunkin'donuts, a survey showed that out of 1280 customers eating lunch, 640 ordered…

A:

Q: Of the 2380 motorcycle riders that participated in a recent bike rally through the California…

A: Total number of participants (N) are 2380. Number of men participants (M) are 2041. Percentage of…

Q: If a guy has 4 apples and he gives away the 3 how many apples will he have ?

A:

Q: Toby and Rocco have 30- toys between them. If Tob has 11 of the toys, how many toys does Rocco have

A:

Q: bakery receives an order for 1,600 cookies. if 12 cookies are packed in each bag, will 132 bags bags…

A: Given that a bakery receives an order for 1,600 cookies. if 12 cookies are packed in each bag, will…

Q: If 14% of the people in the school are 210 people, how many people are in the school?

A: 14% of the people in the school are 210  then find how many people means 100%

Q: Out of a group of 20 children, 10 drink tea, 9 drink coffee and 7 drink milo. 4 drink tea and coffee…

A: Given Number of children drink tea = n(T) = 10 number of children drink coffee = n(C) = 9 number of…

Q: 4 were on time and 2 were late, how many of the next 12 trains would you expect to be on time?

A: The probability that the train would be on time is, Pon time=46=23 The probability that the train…

Q: There are 377 students who are enrolled in an introductory geology course. If there are eight boys…

A:

Q: A basketball team contains 20 players. If 5 people can be on the court at one time, how many…

A: Total number of players is 20. The number of player to be court at one time is 5.

Q: A book has 625 pages, David has red 132 of the pages, Ana has red 134 of the pages and Lucas has red…

A: Total number of pages (T.P)=625 Number of pages read by David (DP)=132 Number of pages read by Ana…

Q: There are 378 students who enrolled in an introductory engineering course. If there are four boys to…

A:

Q: If the number of smokers in a sample of 40 students selected from university A is 14 and the number…

A: Given data,For University An1=40x1=14p1=x1n1 =1440=0.35For University Bn2=380x2=84p2=x2n2…

Q: Tom currently has 5 comic books in his collection and has subscribed to receive 5 new comic books…

A: Tom currently has 5 comic books in his collection and has subscribed to receive 5 new comic books…

Q: A girl has 64/34 apples and another boy has 64/38. Which one has more apple

A:

Q: There are some raisin and chocolate muffins in a pastry shop. If 84 raisin muffins are sold, - of…

A: let there be x raisin muffins and y chocolate muffins total number of muffins will be x+y according…

Q: ill has 11 shirts and 6 pairs of pants. Assuming that everything matches, how many different outfits…

A: Answer - Jill has 11 shirts and 6 pairs of pants. Assuming that everything matches,…

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: Josephine has ten chemistry books, three history books, and two statistics books. She wants to…

A: Fundamental rule of counting:If there are m different ways of occurring an event and n different…

Q: Dominique has 4 shirts for every 3 pairs of jeans that she owns. If she owns 21 pairs of jeans, then…

A: