Carter conducted an experiment to see how many people who passed by him at the park were wearing blue shorts. His 1 results are shown in the table below.

Q: Find the raw score which corresponds to z=1.6?

A:

Q: Approximately 10% of students have a composite score below what level

A: If X is the composite score of the students, then we need to search for a x, such that P[X≤x]=0.1.

Q: Using a random sample of 3800 TV households, a media research company found that 50.3% watched the…

A:

Q: Maya conducted an experiment that tests the hypothesis that "Studying hours have a positive effect…

A: Here given Maya conduct experiment tests the hypothesis

Q: From the analysis of students’ marks, Mr Adam decided to do one-to-one consultation with his…

A: If we consider that the students should bring the marks above the median, they are only exempted…

Q: A recent poll of 800 people who work indoors found that 208 of them smoke. If the researchers wnat…

A: The sample proportion can be calculated as: p=x/n=208/800=0.26 At a 98% confidence level, the z…

Q: A milk company surveyed some of their customers to find out how many people like chocolate milk…

A:

Q: measures the size of an effect in a population, whereas measures whether an effect exists in a…

A: Effect size is a value which measures the strength of the relationship between two variables in a…

Q: Which type of research would you be conducting on this research question? Select one.

A: Given: Among the types of nursing homes that have existed in my town over the past five years, which…

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: se a study revealed 5*

A: Given, a study revealed 57% of all subjects possessed trait A, 28% possessed trait B, and…

Q: What percentage of scores would be above 567?

A:

Q: In a class of 50 students, Heather has a rank of 14. At what percentile is she? Heather has a…

A: According to the provided information, B = 14 N = 50

Q: Compute for the x-scores of the following: z = -0.45, μ = 78.30, and σ = 16

A:

Q: A cognitive psychologist working in the area of suggestion asked a sample of children to solve as…

A: c)The degree of freedom=n1+n2-2=7+7-2=12   Then, at α=0.05, the critical value of t is 1.782.

Q: Suppose that in a group of 800 women, the percentage who work is the same as in the sample here, how…

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131

Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do…

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: Sarah is conducting a research only study in which one group of participants consume one cup of…

A: The study is about assessing attention levels of these participants.

Q: In a study, the rate of success of initial vaccination among 330 subjects receiving the 1:10…

A: Given: Sample size of subjects (n) = 330 Sample proportion or success rate p^=0.971 Hypothesized…

Q: The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela…

A: Given data isMean(μ)=73.08standard deviation(σ)=6

Q: A sample of 125 light bulbs contained 3 defective bulbs. How many defective bulbs would you expect…

A: To calculate the number defective bulbs in the batch of 3000 light bulbs. A sample contains 125…

Q: "Brand of soft drink" is measured on a(n)

A: Brand is a tag or label that a soft drink has. A nominal scale is a type of measurement scale in…

Q: At Roxbury Community College, 7 out of every 10 students take introduction to Statistics. If there…

A: given data  N = 2500 students total in college  7 out of every 10 students take introduction to…

Q: The predicted college GPA for a high school GPA of 3.8 and a college board score of 500 is (Round to…

A: The equation of the college GPA is y^=0.16+0.51x1+0.002x2. The variable x1 is defined as the high…

Q: A sample of 125 light bulbs contained 3 defective bulbs. How many defective bulbs would you expect…

A: Given infromation:A sample of 125 light bulbs contained 3 defective…

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, The data set will represent the collection of response…

Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…

A: The difference in body temperatures is defined as d = first - second

Q: The managers of a brokerage firm are interested in finding out if the number of new clients a broker…

A: Solution-: We have following data: Let, X=New clients and Y=Sales Broker X Y 1 27 5.32 2 11…

Q: 23. Calculate the SS for your D scores:

A: We have given that the researcher would like to evaluate the effectiveness of a pain-relief patch…

Q: The following is data for the first and second Quiz scores for 8 students in a class.

A: Given the data for the scores of first and second score for 8 students. The excel steps to obtain…

Q: A cognitive psychologist working in the area of suggestion asked a sample of children to solve as…

A: According to our answering guidelines, we can answer only first three subparts of a question and the…

Q: Con side that the ten Percent of indlividuals getting tested for the Virus, have the Virus. Now…

A: Let A be the event denoteds the person having virus and B be the event denote the event the person…

Q: In a class of 80 students, Heather has a rank of 16. At what percentile is she? Heather has a…

A: Heather has rank 16 in a class of 80 students. The number of students having rank after Heather is,…

Q: the highest data of 50 leaves is 150mm and the lowest is 118m the desired class size is 9

A: Given  N=50 Highest value=150  Lowest value=118  Class size=9

Q: Marcus rolls 2 number cubes, each numbered from1 to 6. He rolled an even sum 16 times and an odd sum…

A: Given that  Even sums=16 times Odd sums=10 times  Find relative frequency of the even sums

Q: A survey of 1104 adults nationwide asked, what irks you most about the actions of other motorists?…

A: Percentage is the ratio of people responded tailgators to the total people surved.

Q: store manager did a study to look at the ip between the amount of time (in minutes s spend in the…

A:

Q: In a series of houses actually invaded by smallpox, 70% of the inhabitants are attacked and 85% have…

A: Suppose A & B be two events. Then we know, (A∪B)=(A)+(B)-(A∩B). Consider from the problem that,…

Q: Below are the scores that students get from a 50-item online assessment. Compute for the passing…

A: Question1 solved in step2 and Question2 solved in step3

Q: As shown in the table, the average number of siblings (sibs) for 1018 middle class adults is 3.15.…

A: Introduction: It is required to determine if the middle class of the country come from smaller…

Q: A small-town mechanic says that 8% his customers come in for an oil change. When  1000 samples were…

A: It is given that a small-town mechanic says that 8% of his customers come in for an oil change.

Q: In California, we need more rain to sustain the health of our natural environment, argriculture, and…

A: Inches of Rain(x) frequency(f) f*x 1 4 4 2 3 6 3 0 0 4 7 28…

Q: Using a random sample of 4300 TV households, a media research company found that 62.2% watched the…

A: n = 7100

Q: If im getting 5gb of data per day , then what will be the EPS (event per second) in 24 hrs?…

A: Consider the provided question, Since, In 1 days or 24 hrs got 5 GB data. Given, 400 bytes = 1 eps…

Q: The table below sows the number of hate crimes for 2007 to 2018. The value for 2007 is slightly…

A:

Q: A nursing school professor is interested in determining how her college students compare to the…

A: Let X denote the exam score, then assuming that X is normally distributed with mean, µ = 100 and a…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.