Results from a survey conducted in a certain grocery store showed that 3 out of 5 people preferred crispy-flakes cereal to crunchy-flakes cereal. Based on this survey, if a total of 2,500 customers bought one of these two cereals, how many most likely purchased crunchy-flakes cereal?

Q: In a comparative study of two new drugs, A and B, 275 patients were treated with drug A, and 400…

A:

Q: If 40% of candidates for the soccer team pass the fitness test, and only 30% of all athletes are…

A: It is given that there are 40% of candidates for the soccer team pass the fitness test. There are…

Q: A study claims that the combination of vitamin C with vitamin E is more effective for preventing th…

A:

Q: A teacher designed an experiment to see whether students would do better on a quiz when it was…

A: Introduction: Number of students who took the test on yellow paper = 40. Number of students who…

Q: The public health authorities of a small town have divided the population into three categories:…

A: Given: The population of a small town has been divided into three categories: covid-negative,…

Q: A teacher designed an experiment to see whether students would do better on a quiz when it was…

A: Given , 25 of the 40 student who took the test on yellow paper passed the test.   Number of students…

Q: In 1940, a county land-use survey showed that 10% of the county land was urban, 50% was unused, and…

A: Let x ,y ,z denotes the country land which was urban, unused and agricultural respectively. Also…

Q: A product development scientist is tasked with determining which of three methods is the most…

A:

Q: The public health authorities of a small town have divided the population into three categories:…

A: Note: There are multiple sub questions. No specific question has been asked. So, We will solve the…

Q: In a study of pain relievers, 25 people were given product A, and all but 6 experienced relief. In…

A: Product A: Number of people,25 Number of people who received relief, x1 = 6 Proportion of people who…

Q: In a sample of 100 residents of a colony 60 are found to be wheat eaters and 40 rice eaters. Can we…

A:

Q: A study was done to determine the efficacy of three different drugs—A, B, and C—in relieving…

A: a) Given that there are total 50 persons and 43 reported relief from at least one of the drugs. So,…

Q: Out of a sample of 38 people, 23 people enjoyed biking and 15 enjoyed running. Test the claim that…

A: Given that,  x = 23, n = 38 The sample proportion of people prefer biking is, Null and alternative…

Q: A company that manufactures televisions of three different sizes. know that this The company has its…

A: Introduction -  Chi square test  χ2=∑(Oi-Ei)2Eiwhere ,Oi=observed frequency Ei=Expected…

Q: An ornithologist thinks that injections of follicle-stimulating hormone (FSH) increase the singing…

A: Given information: Saline FSH 17 10 31 29 14 37 12 41 29 16 23 45 7 34 19 57…

Q: In a comparative study of two new drugs, A and B, 350 patients were treated with drug A, and 375…

A:

Q: A teacher designed an experiment to see whether students would do better on a quiz when it was…

A: Given data: To display the data  in a two way frequency table.

Q: Based on a poll of registered voters in a large city, 120 out of a random sample of 250 women…

A: Given Information: Sample 1 (women): Sample size n1=250 Out of which x1=120 intended to vote for…

Q: In the recent Census, three percent of the U.S. population reported being of two or more races.…

A:

Q: With a percentile of 68 on a test of ambience given to mindanao resorts, bung gumni resorts score of…

A: Given, With a percentile of 68 on a test of ambience given to Mindanao resorts, bung gummi resorts…

Q: In a poll, each of a certain number of American adults was asked the question "If you had to choose,…

A: The given information's are P(F)=0.31P(L)=0.48P(H)=0.24 i) P(F)=0.31 it is given in the question it…

Q: in a school , 202 out of the  5900 children  had developed lung disease.it was also found that…

A: Total number of children are 5900. The number of children have lung disease is 202. The number of…

Q: A study was done to determine the efficacy of three different drugs—A, B, and C—in relieving…

A:

Q: At the Blood Bank, they know that O+blood is the most common blood type and that 40% of the people…

A: As per guidelines we will solve the first question only, please repost other questions for more…

Q: After representing the population in a given week as a column vector v=[n;p;h], where n,p, and h…

A: Given information:- Among those who are negative, 95% remain so, 4% become positive, and 1% need to…

Q: In order to determine whether a particular medication was effective in curing the common cold, one…

A: received meditation  received sugar pills Total Patient cured Observed value(O) 70 20 90…

Q: According to Gravetter, Wallnau & Forzano (2018), Weinstein, McDermott, and Roediger (2010) report…

A: We have given that  The overall average from the exam was μ = 73.4 but the n = 16 students who…

Q: When random samples are drawn so that the selection of a case for one sample has no effect on the…

A:

Q: A random sample of 750 registered voters in Phoenix is asked if they favor the use of oxygenated…

A:

Q: A survey of 800800 nurses yielded the following information: 430430 were health club members, 564564…

A: Given Total number of nurses = 800 among them were Health club members = 430 Smoker nurses = 564…

Q: From the given sample of 516 people we have 235 people who like the old recipe and 281 people like…

A: It is an important part of statistics. It is widely used.

Q: A team physician has determined that of all the athletes who were treated for minor back pain, 72%…

A: Let the number of athletes be 100. The Venn diagram can be obtained as shown below: The number of…

Q: In a comparative study of two new drugs, A and B, 300 patients were treated with drug A, and 350…

A:

Q: In a study reported in the July 2007 issue of the Journal of Epidemiology and Community Health,…

A: The total number of veterans followed is 104000.The number of veterans committed suicide is…

Q: A study was done to determine the efficacy of three different drugs-A, B, and C-in relieving…

A: If A,B,C are three sets then their intersection is given by:…

Q: The public health authorities of a small town have divided the population into three categories:…

A: The entire population has been divided into categories: negative, positive and hospitalised. 1.…

Q: Forty-nine percent of all New York residents prefer life in prison without parole over the death…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: In a recent study, 20 males used a new weight-loss supplement, and all but 5 of them experienced…

A: Proportion is computed by taking the ratio of favourable outcomes to total number of outcomes. For…

Q: Forty-nine percent of all New York residents prefer life in prison without parole over the death…

A:

Q: ther data.   (a) How many people got relief from none of the drugs?   (b) How many people got relief…

A:

Q: if a sample consists of 2500 test scores, _____ of them would be at or below the second (Q2). if a…

A:

Q: A hearing specialist conducts a study on hearing loss at certain frequencies among a group of…

A: Topic - venn diagram and sets

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 pharmaceutical company has developed a new drug to help relieve acid reflux. However, as with all…

A: Let's take n = 4000, k = 9, thus: Proportion of drug takers who will experience adverse side effects…

Q: From historical data at a local restaurant indicate that 60% of the customers order coffee, 15%…

A: Given information- We have given historical data of a local restaurant. The owner of the restaurant…

Q: An analysis of first-year students at a college revealed that 1/5 of the first-year women were from…

A: Problems involving fractions of a unknown quantity can be solved by denoting the quantity as some…

Q: An experiment was performed to attempt to answer the question of interest posed in Question 12. In…

A: Formula: x¯split-x¯individual±tn1+n2-2,αsp21n1+1n2Here,sp2=n1-1ssplit2+n2-1sindividual2n1+n2-2…

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: In factorial designs, the response produced when the treatments of one factor interact with the…

A: Introduction: Suppose a factorial design is to be constructed with two factors- A and B, where A has…

Q: 3 out of 4 american adults under age 35 have eaten pizza for breakfast. if a random sample of 20…

A: Let the R.V X denotes the number of adults eaten pizza for breakfast and it follows the binomial…