Of 75 cars that were inspected, 13 needed brake repairs and 26 needed exhaust system repairs. If the brakes or exhaust systems on 43 of the cars did not need repair, how many cars needed both brake and exhaust system repairs?   There were_______cars that needed both brake and exhaust system repairs.

Q: How many possible meals are there?

A: here use fundamental of counting principle   The school canteen offers the following choices for…

Q: A recent study of 230 people in a small downtown neighborhood found that 66 had medical insurance…

A:

Q: In how many different ways can five teaching assistants be assigned to five sections of a course in…

A: It is given that 5 teaching assistants have to be assigned for 5 sections of a statistics course.…

Q: A student is given a reading list of ten books from which he must select four an outside reading…

A: The total number of books in the reading list is 10. The student has to select 4 books out of 10…

Q: An English class consists of twenty-four students, and five are to be chosen to give speeches in a…

A: An English class consists of twenty-four students, and five are to be chosen to give speeches in a…

Q: A class held a quiz bee for their different classes and students were awarded medals in different…

A:

Q: how many ways can five persons line up to get on a bus?

A: The number of persons is 5.

Q: Assume that 15 exhibits entered the science fair, and that we want to assign 3 prizes: first,…

A:

Q: In a survey of 400 investors, it was reported that 283 had invested in stocks, 226 had invested in…

A:

Q: In a survey of 426 people, a pet food manufacturer found that 92 owned a dog but not a cat, 103…

A: Determine how many owned both a cat and dog. From the information, given that   Number of people…

Q: How many six-person volleyball teams be made from a group of ten men and three women if: a.There is…

A:

Q: Fifty women were assigned to receive an iron-fortified breakfast cereal with a banana, and 50 women…

A: Please see handwritten solution

Q: A survey of 800 households revealed that 300 had only a TV, 200 had only a computer, and 100 had…

A: Given that, A survey of 800 household revealed that, 300 had only a computer and 100 had neither a…

Q: Out of the 12 people applying for a scholarship, a) how many ways can we select a group of five to…

A: N : number of students = 12 a) To select 5 people. = (12),(11),(10),(9),(8)  are the choices for…

Q: How many ways are there to choose first, second, and third prizes in an art contest with 18 entries?

A: Introduction:According to the permutation rule, if r distinct items are to be chosen from n items…

Q: A survey of 131 persons was conducted at TCC, and it was found that 82 persons carried a cell phone,…

A: According to bartleby policy I have solved first three subparts. I hope it will help you

Q: A survey of 93 persons was conducted at TCC, and it was found that 53 persons carried a cell phone,…

A: Given, 1. people carried a cell phone or a tablet is

Q: Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many…

A: Unitary method : It is a method by  first determine the value of single unit and then determine the…

Q: 2. If you have 7 types of candy, how many pieces of candy would you have to guarantee that you had…

A:

Q: A crew of apollo 17 consisted of a pilot, a copilot, and a geologist. Suppose that NASA had actualy…

A: From the provided information, There are 8 trained pilots and 5 geologists as candidates for the…

Q: A club with eighteen members is to choose three officers: president, vice-president, and…

A: topic - permutations and combinations

Q: Assume that a grade of A,B,C,D, or F is assigned to each of 9 students. In how many ways can grades…

A: From the provided information, The grades are A, B, C, D or F Total students = 9

Q: A student is to answer 7 out of 9 questions on a midterm test. i) How many examination selections…

A: i) Given that there are total 9 questions and he has to select 7 questions. So the total number of…

Q: A softball league has eleven teams. If every te team once in the first round of league play, he…

A:

Q: A team of 28 soccer players needs to select two co-captains. In how many ways can two co-captains be…

A:

Q: A survey of 108 persons was conducted at TCC, and it was found that 61 persons carried a cell phone,…

A: Tota number of persons = 108 Number of persons carried  a cell phone n(A) = 61 Number of persons…

Q: Of 100 employees of a store located in downtown Boston, 36 people take the subway to work, 24 take…

A:

Q: A survey of 71 persons was conducted at TCC, and it was found that 40 persons carried a cell phone,…

A: Note: according to our guidelines we can answer only first three subparts A survey of 71 persons was…

Q: Of the eighth graders at the Paxton school, 12 played basketball, 9 played volleyball, 10 played…

A: Please make a Venn diagram to understand what's going on here:

Q: A survey of 1000 subscribers to a certain news paper revealed that 900 people subscribe to the daily…

A:

Q: How many ways to choose 4 out of the 10 candidates to be sent to a conference?

A: Combination Rule: The arrangement of r objects from n different objects is given by:

Q: Consider a shipment of 50 laptops of which four are defective. A. In how many ways can we select…

A: A. The formula for combination is nCr= n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)] / r!.…

Q: 10 students should be accomodated in two 3-bed and two 2-bed rooms. In how many ways can they be…

A:

Q: A cargo ship unloaded a shipment of 12 photocopy machines that contains 3 defective units. In how…

A:

Q: Consider a shipment of 50 laptops of which four are defective. A. In how many ways can we select…

A:

Q: If there were 33, 957 males and 16, 404 females, how many respondents will be taken from each group?…

A:

Q: A health inspector must visit 3 of 8 restaurants on Monday. In how many ways can she pick the 3…

A: Total number of restaurants is = 8  She has to pick 3 restaurants.  Here the arrangement does not…

Q: Assume that a grade of A, B, C, D, F, or NC is assigned to each of 10 students. In how many…

A: Given ,Grades are  A, B,C,D,F or NCTotal grades = 6No. of students = 10

Q: law enforcement officers if each committee consists of 6 law enforcement o

A: Given: n = 9 r= 6

Q: A survey of 150 people was conducted to determine their favorite sport. 74 people like chess, 94…

A: We want to find number of people that not like any of the three sports.

Q: Out of a population of 52 people, how many possible samples of size 2 are there?

A: Given information- Population size, n = 52 Sample size = 2 We have to find the number of possible…

Q: In how many ways can six medical technology students be seated in a round table if two of the six…

A: The number of ways n people can arrange in a seating order is (n!).

Q: A speech class teacher is going to rank five different speeches from 12 available speeches. In how…

A: Given that  A class teacher is going to rank five different speeches from12 available speeches. We…

Q: 43% of the students in a school are boys. If there are 399 girls in the school, what is the entire…

A: The term per cent means for every hundred. A fraction whose denominator is 100 is called a…

Q: Eighteen persons have first names Ali, Bahar, and Carlie and last names Daud and Elyas. Show that at…

A: According to pigeonhole principle it is known that, if there are n pigeons into k pigeon holes,…

Q: From a group of 10 physicians, in how many ways can four people be selected to attend a conference…

A:

Q: A survey of 154 persons was conducted at TCC, and it was found that 47 persons carried a cell phone,…

A: Given, number of persons carried cell phone = 47 number of persons carried tablet computer =96…

Q: Of the members of three athletic teams at a certain school, 21 are on the basketball team, 26 on the…

A: Where A are the members of basketball team B are the members of baseball team C are the members of…

Q: eeds of 100 cars are summarized in Cars 3 16 50 18 13

A: Given: Total number of cars = 100 Speed (mph) Cars (f) 30-39 3 40-49 16 50-59 50 60-69 18…

Q: A major league baseball team has 40 players of which 25 are considered active. a.) How many ways are…

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

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.