The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A consumer group is suspicious of this claim and believes the amount in each can is less than 12 ounces.  A random sample of 18 cans is selected and the amount in each can is measured.  The results are as follows: 11.9     11.9     12.0     11.9     12.0     11.7     11.6     11.5     11.6    12.0     11.8     11.7     12.2     11.5     12.1     11.8     12.1     11.8 1. State the number of degrees of freedom (d.f.) that will be used to test the null hypothesis. 2.Calculate the value of the test statistic t. Express its valu

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A: Given ; n1 = 500 n2 = 550 p̂1 = 0.68 p̂2 = 0.44

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Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Given that  The data are…

Q: Given two independent random samples with n1 = 20, M1 = 56.2, s1 = 10, n2 = 20, M2 = 44.6, and s2 =…

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Q: In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a…

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A: Given :  X1 = 12.4 X2 = 10.2 S1 = 2.0 S2 = 1.9 N1 = 158 N2 = 173 To test whether college students…

Q: In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a…

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Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Given that data  11.9     11.9     12.0     11.9     12.0     11.7     11.6     11.5     11.6   12.0…

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A: n1 = 52, x1 = 15, p1 = 0.288 n2 = 48, x2 = 18, p2 = 0.375

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Q: Public relation companies conducted two surveys about deodorants. The first survey asked a random…

A: Solution:

Q: Public relation companies conducted two surveys about deodorants. The first survey asked a random…

A: From the provided information,

Q: To build a 99% CI for the mean of a population, you take a random sample and find these values: 22.2…

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Q: A producer of chocolate bars hypothesizes that his production does not adhere to the weight standard…

A: For ease of calculations we construct the following table: 96.4 97.64 98.48 97.67 100.11 95.29…

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Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Degree of freedom explains the number of attribute which are independent in the sample. It is…

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Q: In a survey of 1000 drivers from Region A, 849 wear a seat belt. In a survey of 1000 drivers from…

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Q: A​ state-by-state survey found that the proportions of adults who are smokers in state A and state B…

A: Consider p1 as the proportion of adults who are smokers in state A and p2 as the proportion of…

Q: In a survey of 200   females who recently completed high​ school, 75 ​% were enrolled in college.…

A: Answer:-

Q: 3) On a late-night infomercial, a new dealer of pre-packaged diet meals and non-FDA approved diet…

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Q: In a previous poll, 35% of adults with children under the age of 18 reported that their family ate…

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Q: On a late-night infomercial, a new dealer of pre-packaged diet meals and non-FDA approved diet…

A: Given information: μ=20 σ = 2.4 define hypothesis based on above claim: H0:μ=20H1:μ not equal to 20…

Q: A state-by-state survey found that the proportions of adults who are smokers in state A and state B…

A: There are two independent samples which are state A and state B. We have to test whether the…

Q: Public relation companies conducted two surveys about deodorants. The first survey asked a random…

A: Solution: Given information: n1= 500 Sample size of men n2= 550 Sample size of women p1^= 0.68…

Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A:

Q: Suppose that you want to test this claim, and you have obtained the following two random samples of…

A: Given : For obese given data : 45,54,39,67,33,62,39,50,48,51,37,61,70,35,42,40

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Q: 1. Find the calculated P-value using the following link: http://www.statdistributions.com/t/ 2. Is…

A: x (x-xbar)^2 11.9 0.003735 11.9 0.003735 12 0.025957 11.9 0.003735 12 0.025957 11.7…

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Q: Public relation companies conducted two surveys about deodorants.  The first survey asked a random…

A: The number men (n) is 500.

Q: On a late-night infomercial, a new dealer of pre-packaged diet meals and non-FDA approved diet…

A: Given that, Sample size n=16 Population standard deviation σ = 2.4

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Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Given that

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A: Consider that μ defines the population mean smartphone carrier’s data speed at airport.   Null…