In a weight-loss program using a new medical treatment, a pharmaceutical research organization called for 50 volunteers. The way the organization operates is by taking 5 volunteers, treat them and assess the effectiveness of the weight loss treatment. These five volunteers are treated all at once to allow group comparisons. How many different treatment groups are possible?

Q: Wellstone Inc. produces and markets replacement covers for cell phones in five different colors:…

A: Hey there.! thank you for posting your question. Hope you’re doing well. Since you have posted…

Q: Twenty percent of the trees in a particular forest have a disease, 30% of the trees are too small to…

A: Bayes' Theorem :  Bayes’ theorem is a mathematical formula used to determine the conditional…

Q: rcher conducts a between-subjects experiment. He compares three treatment conditions and produces 25…

A: Between-subject is the study in which every treatment is given to different subjects and each…

Q: A research report concludes that there are significant differences among treatments, with "F(3,28) =…

A: Given: A research report concludes that there are significant differences among treatments, with…

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A: Given : n=275 , X=210 , p0=0.75 , α=0.05 Here , we want to test the claim that the proportion at the…

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

A:

Q: An environmental psychologist investigated ways to reduce waste. He randomly assigned office workers…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: A study of high school juniors in three districts – Belvidere, Rockford, and Byron – was conducted…

A: The probability is the chance of occurrence of any observation in the event. It is calculated by…

Q: Suppose you try to conduct a presidential approval poll of 5,000 likely u.s voters you know that 25%…

A: Given Total number of voters=5000

Q: We want to form two groups of 10 out of 20 students. In how many different ways can this be done?

A: We apply combination formula to calculate

Q: In a certain village 20% of the population is literate, and assume that 150 investigators take a…

A: Given,n=10p=0.2q=1-p=1-0.2=0.8X=no.of literates in the sampleX~Binomial (n=10 , p=0.2)P(X=x)=cxn px…

Q: During a recent election, 48 of every 100 registered voters in a certain city voted. If there were…

A:

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A: Since you have posted multiple subparts of a question we will do only first three subparts as per…

Q: A computer gaming company employs 10 programmers, 6 graphics specialists, and 3 cre- ative…

A: We can select 4 programmers from 10 programmers in 10C4=210 ways We can select 2 graphics…

Q: Suppose a marketing company did do a survey. They randomly surveyed 200 households and found that in…

A: Given data, n=200 x=120 Population proportion p=?

Q: A computer gaming company employs 10 programmers, 6 graphics specialists, and 3 creative designers.…

A: 4 programmers can be chosen from a group of 10 programmers in 10C4 ways. 2 graphics specialists can…

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A:

Q: A poll of students showed that 45 percent liked basketball, 50 percent liked soccer, 40 percent…

A:

Q: In one year, three awards (research, teaching, and service) will be given to a class of 25 graduate…

A: Given, In a year, 3 awards are given to a class of 25 students such that no one gets more than 1…

Q: If you were asked to develop a training program for taxicab drivers, how would you do it? How would…

A: Most of the organizations conduct trainings to improve the skills of employees.

Q: Tom Doe, a small investor, wishes to buy stock in three of 8 Biotech companies, two of 10 retail…

A: Given Tom Doe, a small investor, wishes to buy stock in three of 8 Biotech companies twoof 10 retail…

Q: Wildlife Reserves Singapore offers six types of annual membership to individuals. The charges are…

A: Given: Membership Probability 39 0.2 65 0.1 105 0.15 105 0.25 145 0.1 205 0.2…

Q: if you are conducting a within subjects design with two conditions and want 50 participants in each…

A: The number of conditions is 2 and the number of participants in each condition is 50.

Q: a) The University of the East Europe is interested in the overall performance of its students in the…

A: (a) The university of the East Europe is interested in the overall performance of its students in…

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

A:

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

A:

Q: At the beginning of 2002, an ice cream shop claimed to have "nearly 1,050 different ice cream…

A:

Q: A computer company has 5 vaccines in its executive trainee program. The company must select the…

A: Given - A computer company has 5 vaccines in its executive trainee program. The company must select…

Q: he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to…

A: Given Number of zinfondel bottles z=11 Number of Merlot bottles m =7 Number of cobernet bottles c=13…

Q: Suppose 60 percent of the customers at Pizza Palooza order a square pizza, 80 percent order a soft…

A: Given Data: Let X represent the event of ordering a square pizza Let S represent the event of…

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A:

Q: Suppose you were going to conduct a survey of visitors to your campus. You want the survey to be as…

A:

Q: From a survey of 100 college students, a marketing research company found that 50 students owned…

A: Given form a survey of 100 college students a marketing researchcompany found that 50 student…

Q: The national Park service monitors streams in Rainier national park for pollution and fish spawning…

A: Solution: Let A be the event that a stream polluted is 0.62 and B be the event that the streams in…

Q: At a liberal arts school, a survey of 100 students indicates that 68 enjoy their English class while…

A: Let,Number of students who enjoys English subject = n(E)Number of students who enjoys Mathematics…

Q: In a large school, it was found that 71% of students are taking a math class, 72% of student are…

A: Given : In a large school, it was found that 71% of students are taking a math class, 72% of student…

Q: The table shows the political party affiliations for a medium-sized neighborhood with 94 adults. If…

A:

Q: A local radio station took a poll of 90 of its listeners to find out whether they like to watch…

A: let M be the listeners who like mariners games SE be the listeners who like seahawks games, SO be…

Q: A company conducted a marketing survey of its clientele and found that 215 own an iPhone and 106 own…

A: It is given that 215 of the clients own an iPhone and 106 own an iPad. If 19 clients own both an…

Q: At a certain college 40% of the students are male, and of those, 15% smoke cigarettes. What is the…

A: Given in a college percentage of male = 40%Among males percentage of smokers = 15%.we can say…

Q: For the purposes of a marketing research, a survey of 100 women is conducted in a town, The results…

A: The complement of set A is A' and it is defined using the formula, A'=E-A, where, E is the universal…

Q: Suppose the prevalence of "dance fever" at a college is 40% among women and 10% among men. If there…

A: Given that the prevalence of dance fever among women is 40%. The prevalence of dance fever among men…

Q: On a particular night, a baseball stadium sells 60% of its seats, and of those, 15% do not end up…

A: According to the provided data, 60% of the seats are booked and 15% of these do not end up showing,…

Q: A survey of 135 freshmen business students at a local university produced the results listed below.…

A: The explanation of answer as follows :

Q: one group (a) contains 510 people. one third of the people in group a will be selected to win $50…

A:

Q: Suppose you try to conduct a presidential approval poll of 5,000 likely U.S. voters. You know that…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: A chef is trying out a new recipe he has been working on and wants to see if it will sell better…

A: The objective, in this case, is to validate the given claim (through the one-tailed test), i.e., the…

Q: For the purposes of a marketing research, a survey of 1000 women is conducted in a town. The results…

A: Assume, C, F and R, be the sets representing the women who liked watching comedy movies, fantasy…

Q: A computer manufacturer buys 30% of its chips from supplier A and the rest from supplier B. Two…

A: It is given that, 30% of computer chips are brought from supplier A, and rest from supplier B, while…

Q: The ambition of Warwick Sport at Warwick University is to increase participation of students and…

A: If the percentage of a value (x) is y %, then the value of y percent of x is given as =x×y100.

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.