A survey was given to 344 people asking whether people like dogs and/or cats. 167 said they like dogs 170 said they like cats 55 said they don't like cats or dogs. How many said they liked both cats and dogs? people liked both cats and dogs.

Q: A survey was given to a group of 10,000 students to determine whether they wanted an outdoor…

A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

Q: a. The proportion of Pennsylvanians with a high school diploma is equal to 0.83. b. The proportion…

A:

Q: Ms. Teller surveyed the 38 students in her class about their families. 28 students have a brother or…

A: solution of the given problem is below...

Q: In a poll of 2900 adults in a certain country, 1595 of the adults believed that the Olympics should…

A: Let the number of students who believe to be restricted to be x

Q: there are 347 people that take a survey and assume that 112 of them are women. what percentage of…

A: The percentage of females in the survey is calculated below:

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

A:

Q: A multiple-choice test has 7 questions, with 4 possible answers for each question. If a student were…

A: Given: Number of questions = 7 Number of options available for each question = 4

Q: In a math 105 class of 32 students, a survey showed that 20 students used the ALEKS etext at least…

A:

Q: n a survey of 42 people, 16 liked country music, five people liked country and rap, 17 people liked…

A: Given that there are total 42 people, in which people who liked country music is 16, total number of…

Q: If a multiple-choice test consists of 5 questions, each with 4 possible answers of which only 1 is…

A:

Q: teacher assigned 35 questions in a test and said that 15 of them will be graded. How many different…

A: A teacher assigned 35 questions in a test and said 15 of them will be graded. The method of…

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A:

Q: Draw a two-way table 9. Or the 210 people surveyed, 147 said they owned a car, S59 answered they…

A: We want to make two way table.

Q: You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the…

A: A sample is a sub part of population and it is selected randomly such that it is representative of…

Q: If the aggreat is 30 and the mean is 10. How many sets of numbers are used

A: According to the provided information, The aggregate is 30 and the mean is 10

Q: In a survey of 400 students in a school, 100 were listed as taking applejuice, 150 as taking orange…

A:

Q: Your school principal wants to select a group of six students from your class of 15 students to…

A: Combination: A combination is a selection of items from a group of items, where the order of…

Q: A survey of 500 high school students was taken to determine their favorite chocolate candy. Of the…

A: we have to find given  probability

Q: how many students were surveyed in total?

A:

Q: (d) If the bottom 10% of students will fail the test, what is the lowest mark that a student can…

A: Given that, the mean value is μ=75 and standard deviation σ=15. It is known that, the formula for…

Q: Kaitlyn, a fifth-grader, asked five of her friends in class which book is their favorite. All of…

A: Here the sample is five friends of Kaitlyn and the population is all the children of Kaitlyn's…

Q: In a survey it was found that 21 people liked product A, 26 liked product B and29 liked product C.…

A: Let A, B, and C be the set of people who like product A, B, and C respectively.  Now since 21 people…

Q: avi got 18 out of 20 and Karla got 85% on the same test which one is greate

A: To determine which of the following is greater. Ravi got 18 out of 20 Karla got 85%

Q: vendor sells twenty-four sweatshirts for $15 each, fifty-one t-shirts for $10 each, and thirteen…

A:

Q: Lee is a teacher at a local high school who wanted to assess whether or not dogs physically resemble…

A: Given,  n = 16 H0: p = 0.50 Ha: P>0.50 (right tailed test)

Q: 2 Heather has a bag of 15 red, 11 orange, 9 yellow, 12 green, 6 blue and 11 purple markers. How many…

A: There are total (15+11+9+12+6+11)=64 markers.  Among them 15 are red. So the probability of picking…

Q: A recent survey by a local radio station shows that 3 of 8 listeners like a new song while 1/4 hate…

A:

Q: In a math 105 class of 32 students, a survey showed that 20 students used the ALEKS etext at least…

A: Given,no.of students used ALEKS etext at least once=20no.of students used video at least…

Q: At a restaurant 52 people were asked in a survey if they eat meat, fish, or both. Of those adults 10…

A: We can make a Venn diagram and clearly see from there.

Q: A TOTAL of 63 students preferred chocolate ice cream. Out of the 100 student responses, 43 were…

A: The contingency table is a two way table which is used to enter the data of two categorical…

Q: Luther evaluated 23 as 9 and Wade evaluated 32 as 9. Are both students correct? Explain why or why…

A: We know that a3=a×a×a and a2=a×a

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: P(adult dislike the movie)= (65/100)*100=65% P(teenager dislike the movie)=(14/20)*100 =70 %

Q: In a survey of 185 pet owners, 76 said they own a dog, and 79 said they own a cat. 11 said they own…

A: 185 total people's are surveyed, 76 said they own a dog and 79 said they own a cat. 11 said they own…

Q: A magazine provided results from a poll of 1000 adults who were asked to identify their favorite…

A: Solution: Given information: n= 1000 Sample size of adults  p^= 0.12 Sample proportion  E= 0.05…

Q: A politician running for Senate in California claims that only 34% of Californians approve of the…

A: Concept of sampling distribution of sample proportion: Let a particular characteristic of a…

Q: A survey was conducted in a section on which subject they like best. 55 likes Math, 50 likes…

A:

Q: In a math 105 class of 32 students, a survey showed that 20 students used the . least once, 10 used…

A:

Q: What are the two types of incorrect decisions?

A:

Q: In a group of 500 students during vacation, 23% likes to go shopping only, 74% loves to stay at…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: How children in the exposed group have the number of finger-wrist taps in the dominant many hands…

A: Reviewing information, 2 groups are given with box plot

Q: Draw the scatter diagram and make a comment which student acts most different than others?

A: a) Steps for scatter plot in Excel: Enter the data for x and y in Excel sheet>Select the columns…

Q: A health psychologist want to investigate whether there is a relationship between sex and food…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: b. In a Pew Research Center poll on driving, 58% of the 1182 respondents said that they like to…

A: Step 1. (b) Total number of respondents is study =1182.

Q: 100 people were surveyed about vacation places. 50 people said they liked the beach, 40 people said…

A: Total number of people surveyed = 100 Number of people liked the beach = 50 Number of people liked…

Q: Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85,…

A: Given that Katrina scores on the first four exams are 71, 69, 85, and 83 and suppose she scores x…

Q: A survey of 200 families showed that 50 used Brand A soap, 110 used Brand B soap and 40 used both…

A: 4th option is correct

Q: Out of 500 people in a room, 200 of them are wearing red shirts. Of the people wearing red shirts,…

A: Total number of people in the room n= 500 People wearinng red shirt, r=200

Q: A circle of friends consist of 10 individuals. 3 of them likes chocolate, 2 likes strawberry and 5…

A: Number of total friends are 10. Number of friend like chocolate is 3. Number of friend like…

Q: For this problem, assume the test had 8 true-false questions and 10 multiple-choice questions, and…

A: Given that there are 8 true or false questions and 10 multiple choice question and each multiple…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.