In a fuel economy study, each of 3 race cars is tested using 5 different brands of gasoline at 7 test sites located in different regions of the country. If 2 drivers are used in the study, and test runs are made once under each district set of conditions, how many test runs are needed?

Q: How many different committees are possible that consist of 5 women and 3 men selected from a group…

A: For a committee, arrangement does not matter so use the combination method.  We can select 5 women…

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: 5. In a fuel economy study, each of 3 race cars is tested using 5 different brands of gasoline at 7…

A: Given: Number of race cars = 3 Number of brands of gasoline = 5 Number of sites = 7 Number of…

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 43 subjects. How…

A: GivenNo.of subjects(n) =43No.of subjectes to be selected(r)=5

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 45 subjects. How…

A: It has been provided, Number of subjects that are randomly chosen (r) = 5 Total subjects (n) = 45

Q: Ex: An experimenter partitions a field into 64 same lots. Experimenter uses 5 different seeds, 3…

A: Given, No of Lots = 64 no of seeds = 5 no of pesticides = 3  no of fertilizers = 4

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 32 subjects. How…

A: Given that,5 subjects are randomly selected from a group of 32 subjects.

Q: In the 2012 presidential election, a total of 7,867,867 votes were cast in a certain state for…

A:

Q: In a box, there are 5 large yellow marbles, 3 small yellow marbles, and 24 white marbles. How many…

A: Introduction -  Probability = Favorable outcomes total number of outcomes

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 36 subjects. How…

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

Q: How many ways are there to select six students from a class of 25 to hold six different executive…

A:

Q: If 4 marbles are picked randomly from a basket containing 5 blue marbles and 8 yellow marbles, in…

A: This is the problem of combinatorial.

Q: 12 babies are randomly selected selected, how many different gender sequences are possible?

A:

Q: an environmental company is studying water samples from 80 lakes for pollution. five of the lakes…

A: Given, an environmental company is studying water samples from 80 lakes for pollution five of the…

Q: There are 4 districts and 7 individuals available to carry out the survey. Assuming that no one…

A: There are 4 districts to be surveyed. There are 7 individuals available to survey the districts. The…

Q: Consider 3 box models as follows, where the draws are made with replacement, and the sum of the…

A: Box model 1: Mean=1+2+3+4+55=3standard deviation=1-32+2-32+3-32+4-32+5-325=1.414standard…

Q: At a blood​ drive, 66 donors with type Oplus+ ​blood, 55 donors with type Aplus+ ​blood, and 22…

A: Introduction: Suppose there are n items to be arranged in a row. Further consider that each of these…

Q: In a shipment of 18 smartphones, 2 are defective. How many ways can a quality control inspector…

A: According to the provided data, in a shipment of 18 smartphones, 2 are defective. So, the remaining…

Q: assume that you have a committee of 8 members, and that you must choose a chairperson, and…

A: Given data: Assume that you have a committee of 8 members, and that you must choose a chairperson,…

Q: A fleet of 100 taxis is divided into two groups of 50 cars each to see whether premium gasoline…

A: A fleet of 100 taxis is divided into two groups of 50 cars. For group A, Premium unleaded fuel is…

Q: A shipment of 40 computers are unloaded from the van and tested 6 of them are defective In how many…

A: We will find out the required number of ways.

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: How many ways are there to distribute eight different toys among four children if the first child…

A:

Q: How many Hokey teams of 6 players can be formed from 14 players without regard to position played?

A: Given ,no.of hokey players =14

Q: In a group of n women and n men, how many people must be selected at random from the total 2n…

A:

Q: In how many ways can we distribute 10 indistinguishable oranges and 1 tangerine among 3 children…

A:

Q: An election ballot asks voters to select five city commissioners from a group of fourteen…

A: It is provided that in an election 5 city commissioners are selected from a group of 14 candidates.

Q: An election ballot asks voters to select three city commissioners from a group of twelve candidates.…

A: Answer is following-

Q: If a manufacturer is trying to put together a sample collection of her safetyproduct and order is…

A: Find the number of ways in which 15 items can be placed in packages containing 5 items without…

Q: 6. From a pool of 10 candidates, a company has to choose a president, vice president and a…

A:

Q: A food company is testing 5 chocolate chip cookies, 4 crackers, and 6 reduced-fat cookies. If it…

A:

Q: 5. A pharmaceutical researcher needs 7 people to test the effectiveness of an experimental drug. If…

A: we have to select people therefore we will use combination nCr=n!/r!(n-r)!

Q: A marching band consists of 11 pipers and 12 drummers.  Three of them are selected to march in order…

A: The number of ways in which n different objects can be arranged is given by n!, where…

Q: A new smartphone comes in five colors, two screen sizes, and four different data plans.  In how many…

A: It is given that a new smartphone comes in five colors, two screen sizes, and four different data…

Q: How many different “3 of a kind”s are there in Yahtzee?

A: Consider the provided question, We need to find the number of different ways in which  "3 of a…

Q: In order to conduct an experiment, 4 subjects are randomly selected from a group of 47 subjects. How…

A:

Q: Find the number of ways of selecting exactly one of the two best applicants in a selection of two…

A: Given problem Given that

Q: 6. How many ways are there to select 3 candidates from 8 equally qualified recent graduates for…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: Suppose a lawyer select 4 jurors from the set of 6 candidates? How many groups are possible?

A: From the provided information, The total candidates = 6 The lawyer selects 4 jurors from 6.

Q: In order to conduct an​ experiment, 5 subjects are randomly selected from a group of 50 subjects.…

A: According to the provided information, 5 subjects are randomly selected from a group of 50 subjects.…

Q: In a shipment of 21 smartphones, 2 are defective. How many ways can a quality control inspector…

A:

Q: A nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

A:

Q: In a shipment of 18 smartphones, 2 are defective. How many ways can a quality control inspector…

A: There are 18 smartphones in a shipment out of which 2 are defective. That is there are 16…

Q: A cookie jar contains 10 cookies - 4 are chocolate chip, 3 are almond, 2 are oatmeal and 1 is a high…

A: Answer -  Total cookies = 10  Chocolate chips = 4 almond = 3 oatmeal = 2  high fibre cookie = 1

Q: there are 4 districts and 9 individuals available to carry out the survey. Assuming that no one…

A:

Q: A bag contains pieces of 6 different types of candy. If the bag has 85 pieces in total, how many…

A: Explanation:Here givens the 85 prices 6 types of different candys and finally how much randomly…

Q: In order to conduct an​ experiment, 4 subjects are randomly selected from a group of 49 subjects.…

A: In order to conduct an​ experiment, 4 subjects are randomly selected from a group of 49 subjects.…

Q: In a fuel economy study, each of 3 race cars is tested using 5 different brands of gasoline at 7…

A: Given problem Given that   In a fuel economy study, Each of 3 race cars is tested using 5…

Q: A shipment of 40 computers are unloaded from the van and tested. 6 of them are defective. In how…

A:

Q: Assume that when adults with smartphones are randomly selecte than 3 of them use their smartphones…

A: It is given that, 46% adults use smartphone in meetings or classes i.e. P(Using smartphone) = p=…