12. An eye doctor keeps track of whether people who come in for testing need glasses. When she separates them by eye color, she gets the following: Glasses No Glasses Brown 43 55 Blue 34 19

Q: In a survey of 143 pet owners, 86 said they own a dog, and 55 said they own a cat. 42 said they own…

A: The total pet owners is n = 143.

Q: 3) Suppose the math club as 14 members. How many ways can they select a president, a vice president,…

A: Combination is used when the problem is related to selection only and the sequence of selection or…

Q: IFthe mcl=35 then the mc3 =?

A:

Q: In a survey of 120 pet owners, 28 said they own a dog, and 85 said they own a cat. 26 said they own…

A: Solution

Q: 7) 11 football players in a huddle

A:

Q: In a class of 100 students, 35 like science and 45 like math. 10 like both. (1) How many like both…

A: Total number of students (Universal set, U) = 100Number of students who like Science (Sci)  =…

Q: (a) How many applicants were there? (b) How many applicants did not have sales experience? (c) How…

A: (a) Let SE be the human resources director have sales experience, CD be the human resources director…

Q: #2. Calculate (a) P(7,4) + P(7,3) (b) P(5,5)

A: Permutation is calculated as shown below: P(n,r) = n!/(n-r)! n! = n*(n-1)*(n-2)*.....2*1

Q: A survey of 200 people yielded the following information: 94 people owned a Blu-ray player, 125…

A:

Q: You were tasked to draw using computer-aided drafting to draw eight different buildings along a…

A: In question, We'll find that in how many ways we draw 8 different buildings along a single line. The…

Q: 15) Differeatake Hhe banchen y=f-40e43).

A:

Q: 4. If a boxer is listed as weighing 17 stone, how many pounds is that?

A: Given : Boxer is listed as weighing 17 stone Pounds =?

Q: d) How many ways to invite 10 out of 20 friends to be part of a group chat?

A:

Q: A survey of 1200 people in a certain city indicates that 870 own microwave ovens, 750 own DVD…

A:

Q: True or False? There are more people with blue eyes than there are people not wearing yellow? Not…

A: From the given data: People with the blue eyes = 12 People not wearing yellows = 22

Q: 12) According to the given data, how many of the possible sandwich compinations include turkey and…

A: The person can choose turkey in 1 way. The person can choose the American cheese in 1 way.

Q: B C. Motor running Motor not rumning 13.98 13.87 13.78 13.49

A:

Q: 32) How many people are book readers and painters, but do not watch TV? 8, Book Readers 22 13 31 13…

A: To find number of people who are book readers and painter but do not watch TV

Q: A market researcher collecting data on 100 households find that 81 have cable television 65 have…

A:

Q: 12. Find m/1, m2, m/3, m/4, and m5. 65 82 46 142

A:

Q: B 98 cities were surveyed to determine sports teams. 28 had soccer, 23 had football, 19 had…

A:

Q: a) How many students are taking English, History, or Science? b) How many students are taking…

A: The above question is of Venn diagram and the data given is as follows -  1177 Total students. 646…

Q: 2:44 Done Notes MMAROO -X

A: LCD of the numerator is xSo we multiply 6 by x with numerator and denominator.Then add two fractions…

Q: 6. The University of Montana ski team has 15 entrants in a men's downhill ski event. The coach would…

A: 6) The number of entrants in men’s downhill ski event is 15.

Q: 9.2 Are the proportions of road accidents similar in various highways of Bangladesh? Highways 2 3 4…

A: Note: As per answering guidelines I have solved first question incase of multiple questions' please…

Q: 450 SFO LAX 135 311 76 DFW 34 214 61 ORD 557 322 101 46 ΜΙΑ 35 JFK 256 BWI 86 115 156 PVD 176 BOS

A:

Q: 7) A tourist in France wants to visit 12 different cities. How many different routes are possible?…

A: Answer of q-7    12 different city to visit We have to find nom of different routes possible Here…

Q: 5. A medical journal stated that most injury-causing accidents at home occur in the living room or…

A: A medical journal stated that most injury-causing accidents at home occur in the living room or…

Q: what is the ss(x) and the ss(y)   IQ           GPA 117           3.9 93             2.7 102…

A:

Q: 210 students were asked whether they want to go to a water park or a roller skating rink for a class…

A: The contingency table is given as follows:   Water park Skating Total Boys 60 55…

Q: 1. How many students like Spider-Man but do not like Dark Knight? 41 2. How many students like Dark…

A: Here use venn diagram to represent the given information

Q: 3. A survey of 150 students revealed that 92 were in Math and 73 were in English. All 150 students…

A: Given A U B = 150 n(M) = 92, n(E) = 73 a) A U B = n(M)+n(E) - A ∩ B 150 = 92+73-A ∩ B A ∩ B =…

Q: 13. The City Animal Control Department found out that 25 of the 90 squirrels that they trapped and…

A:

Q: In a survey of 359 people, a pet food manufacturer found that 23 owned a dog but not a cat, 140…

A:

Q: 3) 49 14 28 AVUT - AJKL 4)

A: We have solve the both similarity triangle

Q: 150 college freshmen were interviewed. 85 were registered for a Math class, 70 were registered for…

A:

Q: 1) You measure the height of 9 oak trees and 8 maple trees. Is there a difference in height? Use a…

A: Mann - Whitney U - test :  It is used when the population is not normal. When the data is measured…

Q: 1. Based on the Venn diagram below, how many students are on the baseball team? 25 9. 44 Baseball…

A: We can solve this question using the calculation as below

Q: In a survey of 57 pet owners, 17 said they own a dog, and 16 said they own a cat. 7 said they own…

A: In the Given data, Survey Done for Pets, total Pet owners = 57.

Q: 4) How many Coffee Drinkers are there? 62 Total People 29 Tea Drinkers 35 Beer Drinkers 14 10 Coffee…

A:

Q: Based on the Venn diagram below, how many students are on the baseball team? 25 6. 9 44 Baseball…

A: From the venn diagram, 25 students are on the baseball team. 44 students are on the football team. 9…

Q: 2. An eye doctor keeps track of whether people who come in for testing need glasses. When she…

A: Solution: The observed frequency table is    Glasses  No Glasses  Row Total  Brown  43 55 98…

Q: 1. How many students do not snowboard? Ice Skate Ski 13 3 8. 10 6 Snowboard

A:

Q: Instrument No Instrument TOTAL Вoys 40 68 108 Girls 46 84 ТОTAL 86 106 192 Of the students surveyed,…

A:

Q: 1- In how many different ways, 8 seats can be occupied by 3 students? э)О 336 5)O 95 20040 =)O 210…

A:

Q: 2 If the five numbers summary of 700 observations are: 10,20,25,30,40, then the number of…

A: As per guideline expert have to answer first question only....dear Student please upload other…

Q: 9. A neighborhood watch association surveyed 40 neighbors about their feelings of safety in the…

A:

Q: a) How many students took Math, Science, or Dance? b) How many students took Math or didn't take…

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

Q: 42 If a hockey team's win: loss: tie ratio is 5: 2: 3 after their last 30 games, how many games have…

A: If a hockey team's win:loss:tie ratio is 5:2:3 after their last 30 games, how many games have they…

Q: O 6 O 8 Estimate: V5 + V15 O 4

A: We need to estimate the value of the following expression 5+15

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.