Which of the following sampling techniques is considered as a method of probability sampling? A convenience sampling B snowball sampling systematic sampling purposive sampling

Q: A researcher is interested in investigating whether the military branch a person signs up for and…

A: A researcher is interested in investigating whether the military branch a person signs up for and…

Q: ume that when adults with smartphones are randomly selected, 41% use them in meetings or classes. If…

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Q: A collar manufacturer is considering the production of a new style of collar to attract young men.…

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Q: B. In the following problem, (a) state the null and alternative../potheses, (b) select and compute…

A: There are two independent samples which are male and female. We have to test whether the tolerance…

Q: Police records show the following numbers of daily crime reports for a sample of days during the…

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Q: experiment. A binomial probability experiment is conducted with the given parameters. Cormpute the…

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Q: In the following problem, check that it is appropriate to use the normal approximation to the…

A: In the following problem, check that it is appropriate to use the normal approximation to the…

Q: Use the z-score formula, z=x−μ/σ , and the information below to find the value of σ. Round your…

A: According to the given information, we have Mean = 20.35 Raw score = 11.44 Z score = -3.30

Q: Can you answer ONLY 28 G and H thanks i only need G AND H

A: Confidence interval is an alternative to hypothesis testing.

Q: website stated that the weights of broilers (commercially raised chickens) are approximately…

A: Given that.   X~N( μ , ?^2 )   μ=1460    , ?=156   Z-score =( x - μ )/?   NOTE:- According to…

Q: ecide whether you can use the normal distribution to approximate the binomial distribution. If you​…

A: Given that n =400,p=0.08

Q: A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 中 The graph of the discrete probability to the right represents the number of live births by a…

A: From graph Probability mass function of X is  x 1 2 3 4 5 6 7 P(X=x) 0.238 0.279 0.168 0.115…

Q: mpound and has built 16 tires and tested them to end-of-life in a road test. The sample san and…

A: Given n=16 Xbar=60139.7 S=3645.94 C=95%

Q: The first worksheet labeled sample A (in the Excel file linked below the exam) is a sample of n=50…

A: Given: i xi 1 0 2 0 3 0 4 0 5 1 6 0 7 0 8 1 9 0 10 0 11 0 12 0 13 0…

Q: What is the of the mean 0. P(X=x) 0.15 0.20 0.15 0.50 3.

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Q: Compute the Pearson correlation coefficient b.  Compute the coefficient of determination  c.…

A: Given data :  Given data : X Y 6 4 8 6 5 7 7 6 12 5 4 7 3 3 6 5 2 10…

Q: :μ1=μ2Ho       Ha:μ1>μ2 You obtain the following two samples of data. Sample #1 Sample #2 84.3…

A: For sample 1 : sample size (n1) = 55sample mean (x̄1) =  76.53sample standard deviation (s1) =…

Q: Use the Cumulative Normal Distribution Table to find the z-scores that bound the middle 64% of the…

A: Given that  Z follows standard normal distribution  P(a<z<b)=64% Find the value of a and b

Q: Find the unknown value from the following probability distribution.

A: X 1 2 3 4 P(X) 2 a 4 a 4 a a

Q: Twenty years ago, 47% of parents of children in high school felt it was a serious problem that high…

A: Given that  Sample size n =900 Population proportion p=47%=0.47

Q: The researchers reported:   Consumer masculinity was strongly correlated with appearance-related…

A: Given that, Self-esteem =(r = 0.40, p < .001)  Media influence= (r = 0.62, p < .001)  overall…

Q: Find the probability that the student was female GIVEN they got a 'B'.

A: It is given that Total = 75 Number of students got B = 18 Number of students who are female and got…

Q: Age(x) 8 15 22 27 34 40 Sleep (y) 8 8 7 7 5 6

A: We have given that, X :- 8, 15, 22, 27, 34, 40 Y:- 8, 8, 7, 7, 5, 6 Then,  We will find the…

Q: The following data represent the number of grams of fat in breakfast meals offered at a local fast…

A: The given data set shows the number of grams of fat in breakfast meals offered at a local fast food…

Q: In response to concerns about nutritional contents of fast foods, McDonald's announced that it would…

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Q: 78.1

A: By applying the 't-test  Given,  population mean (μ)  = 52.1

Q: 4. A hypothesis will be uked to test that a population mean equals 10 against the alternative that…

A: Assume that µ is the population mean.

Q: What are the degrees of freedom for the χ2 distribution for this test? d.f. =

A: here use basic of chi square test

Q: 8.S.2 Refer to Exercise 8.S.1 0. Compare the before and after populations using a t test at a =…

A: T test are used to test whether there is mean significance exist between the sample and population.…

Q: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 (the…

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Q: Consider a study using a between-groups design with between-groups df = 3 and within-groups df = 4.…

A: Given  df1 = 3 and within-groups df2 = 4. Given an F ratio of 6.8,

Q: Suppose a jar contains 14 red marbles and 27 blue marbles. If you reach in the jar and pull out 2…

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Q: Question 3 Lot size N-20,000, AQL = 1.5% Normal Tightened Reduced N (Sample Size) Ac Re

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Q: An engineer wants to determine how the weight of a car, x, affects gas mileage, y. The following…

A: Value of x and y given We have to calculate regression equation by least square and graph for it.

Q: f one student is chosen at random, Find the probability that the student did NOT get an "A"

A: Given that data :   A B C Total Male  19 14 9 42 Female  17 15 2 34 Total  36 29 11 76…

Q: The scores of the students are normally distributed with a mean of 85 and a standard deviation of 4.…

A: According to the given information, we have The distribution is normal. Given that, Mean = 85…

Q: A credit card company claims that the mean credit card debt for individuals is greater than $4,900.…

A: Given n=38 Standard deviations=600 Mean=5050

Q: Determine the winner using plurality, Borda count, plurality with elimination and pairwise…

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Q: The following data represent the flight time (in minutes) of a randorm sample of seven flights from…

A: Solution

Q: Suppose the null hypothesis is not rejected. State the conclusion based on the results of the test.…

A: Test is that whether the mean proce has increased.

Q: A consumer products company is formulating a new shampoo and is interested in foam height (in…

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Q: A market research firm used a sample of individuals to rate the purchase potential of a particular…

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Q: A particular fruit's weights are normally distributed, with a mean of 747 grams and a standard…

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Q: Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

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Q: In a quantitative dataset, which would be smaller, the standard deviation or the standard error of…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: ted to determine if there was an association between daily cantaloupe consumption and the occurrence…

A: Based in the given data Step a (option B ) This is a cross-ectional because the reserchers lokked at…

Q: Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results…

A: Given that  Sample size n =96 Favorable cases x =73 Sample proportion p^=x/n  =73/96 =0.7604

Q: a) in a random sample of 5 customers, 60% of them use a cashpoint machine at least once a month? b)…

A: here given , a bank claims that 80% of its customers use a cashpoint at least once a month  p =0.80…

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: As per company guidelines I solved exactly three subparts of the question