A survey of a magazine's subscribers indicates that 50% own a home, 80% own a car, and 90% of the homeowners who subscribe also own a car. What proportion of subscribers own both a car and a house? 0.45 O 0.72 O 0.65 O 0.78

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A: Given observed frequency(O) table : Expected frequencies and Test statistics can be calculated as…

Q: A researcher wishes to see if the total number of infections that occurred in three groups of…

A: For the given problem, we need to test whether the number of infections is same in the three groups.…

Q: n this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and…

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Q: The contingency table below shows the results of a survey of video viewing habits by age   18-34…

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Q: A consumer watchdog organization is concerned about credit card debt. A survey of 10 young adults…

A: Given that,  The data set is,  110, 126, 103, 93, 99, 113, 87, 101, 109, 100 Then,  We will find the…

Q: The following conclusion from a study appeared in the article "Smartphone Nation"†: "If you love…

A: Introduction: Population: A population in Statistics is defined as the collection of all possible…

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: Given that   More  less  7th grade  24 25 8th grade 28 26 We have to find the number of…

Q: Several students who participated in a study were asked a question about whether or not they have…

A: Class Credit card carrier Not a credit card carrier Total Freshman 45 15 60 Sophomore 32 8 40…

Q: During August 2019, I, along with 293,274 of my closest friends, entered a lottery drawing for entry…

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Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: let G be the set of school graduates who read Gone with the wind let M be the set of school…

Q: recent study reported that 12% of people toss away about half of what they buy at the grocery store.…

A: From the given information we conduct Z test for proportion.

Q: A study was conducted to examine whether the proportion of females was the same for five groups…

A: Given:  five groups (Groups A, B, C, D, and E). There are Five groups n=5

Q: A survey asks 168 people "What beverage do you drink in the morning?", and offers choices: • Coffee…

A: Total number of people = 168 Number of persons drink tea = n(T) Number of persons drink coffee =…

Q: On its municipal website, the city of Tulsa states that the rate it charges per 5 CCF of residential…

A: (a)The null and the alternative hypotheses are given below:

Q: According to a study conducted by a statistical​ organization, the proportion of people who are…

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Q: The following table shows the responses of 45 students from two different classes who were asked…

A: Enter the data into Excel,

Q: A survey of recent high school graduates regarding literature that they studied during their high…

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Q: A university dean is interested in determining the proportion of students who receive some financial…

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Q: The following table shows data collected from a random sample of 2,500 people who recently went on a…

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Q: A climatologist is interested in comparing the frequency of cloud cover in Thunder Bay and Sudbury.…

A: Level of measurement is used to understand the nature of the variable. There are four type of level…

Q: Suppose that in a survey of five-year-olds, 54% liked the letter A, 58% liked the letter B, and 49%…

A: Solution:robability of liking A  P(A)=0.54 Probability of liking B  P(B)=0.58 Probability of liking…

Q: Ahamed opened a restaurant 5 years ago, he made a survey of how the people rated his food according…

A: Note! Hi there! Thank you for the question. As there are multiple sub parts, according to our policy…

Q: According to a spokesperson for General Mills, the company’s “cents-off” coupon offers are designed…

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Q: A random sample of 40 units sold by three suppliers is inspected and the number of defectives is…

A: Step 1: Given the sample size n= 40 for all the three suppliers, and let, pA,pB,pCbe the…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Let W denote graduates who read gone with the wind, M denote graduates who read Moby Dick and F…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 400 students in a…

A: By definition of proportion, p = No. of favorable cases / Total No. of cases

Q: 14. How many people out of 310,000,000 would NOT be expected to have HIV? Circle your answer below.…

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Q: To study the relationship of the sex of an individual with the number of hours spent per day for TV…

A: The Chi-square is denoted with χ2. The χ2 - test statistic  is helps to determine the independence…

Q: 1. From the community hospital and clinics around a city , the ages of dentists , nurses and…

A: We have to perform ANOVA for the given data.

Q: A population is normally distributed with µ = 90 and σ = 8. For this population, which is the 29th…

A: Solution-: Given: μ=90,σ=8 We want to find 29th percentile?

Q: Suppose that in a survey of five-year-olds, 49%49% liked the letter A, 56% liked the letter B, and…

A: Given that P(A)=0.49 , P(B)=0.56 , P(C)=0.53

Q: One year a survey asked a group of people from a certain country the following question, "How many…

A: The objective is to identify population ,sample ,statistic

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: To compare the proportions of more than 2 groups, a chi-square test of goodness to fit is used. The…

Q: On its municipal website, the city of Tulsa states that the rate it charges per 5 CCF of residential…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

Q: On its municipal website, the city of Tulsa states that the rate it charges per 5 CCF of residential…

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Q: In an advanced ballet dance class, it is claimed that 42% of dancers can successfully perform a…

A: Given: Sample size, n=27 No. of dancers can successfully perform a double pirouette turn, x=13

Q: In a political poll, approximately 3/25 of the people asked preferred candidate A in the upcoming…

A: Given that, 3/25 of people asked preferred candidate A. The total people asked in election is…

Q: c) How many women, on average, would you expect to find in a sample of that size? women (Type a…

A: (c )   Obtain the number of women of sample found in that size is expected on average.   The number…

Q: A local country club has a membership of 600 and operates facilities that include an 18-hole…

A: From the information, 60% regularly use the golf course, 48% regularly use the tennis courts, and…

Q: hat percentage of hospitals provide at least some charity care? Based on a random sample of hospital…

A: Given :  A random sample of hospital reports from eastern states is given percentages.  56.7…

Q: Suppose that in a survey of five-year-olds, 45% liked the letter A, 54% liked the letter B, and 50%…

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Q: Does the location of your seat in a classroom play a role in attendance or grade? 800 students in a…

A: Note: According to Bartleby Expert guideline, we can answer only first three subparts of a question…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Let W denote graduates who read gone with the wind, M denote graduates who read Moby Dick and F…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: Given : Group 1 2 3 4 Attendence 0.84 0.84 0.84 0.80

Q: Phone service According to estimates from the federalgovernment’s 2010 National Health Interview…

A: Given : Phone service According to estimates from the federal government’s 2010 National Health…

Q: In a survey of 380 households regarding the ownership of VCRS and DVD players, the following data…

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Q: Suppose that in a survey of five-year-olds, 42% liked the letter A, 54% liked the letter B, and 47%…

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Q: At a football game, 40 fans were randomly surveyed. Of the sampled fans, 6 named Daren as the best…

A: given out of 40 fans, 6 fans  named Daren as the best player to find from 12000 fans how many say…

Q: Results of the B.Com. Examination of Three Colleges Affiliated to a Certain University College Pass…

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Q: A radio talk show host with a large listening audience is interested in the proportion p of adults…

A: Given, A radio talk show host with a large listening audience is interested in the proportion p of…