A bottled water distributor wants to estimate the amount of water contained in 1​-gallon bottles purchased from a nationally known water bottling company. The water bottling​ company's specifications state that the standard deviation of the amount of water is equal to 0.02 gallons. A random sample of 50 bottles is​ selected, and the sample mean amount of water per 1​-gallon bottle is 0.985 gallons. Complete parts​ (a) through​ (d).

Q: Given the following measurements from a normal distribution: 8.6, 16.7, 18.5, 11.7, 9.7 a) Use the…

A:

Q: Researchers collected information on the body parts of a new species of frog. The thumb length for…

A: The mean is 6.74 and the standard deviation is 0.67.

Q: In Country A, the population mean height for 10-year-old girls is 53.6 inches with a standard…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: Determine the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u= 54.8…

A: As per our guidelines, we are allowed to answer up-to three sub-parts of any question. Here part(a)…

Q: mpany is actually 1 gallon. You know water bottling company specifications that the standard…

A: We have given that,  Sample size (x̄) = 0.995, standard deviation (s) = 0.006 and sample size (n)=…

Q: A bottled water distributor wants to estimate the amount of water contained in 1​-gallon bottles…

A: Given that  Sample size n =50 Sample mean=0.976 Population standard deviation =0.03

Q: On average, adult males consume 2,111 calories per day, with a standard deviation of 54 calories.…

A: Given Data : Population Mean,μ = 2111 Population Standard Deviation,σ = 54

Q: nutritionist claims that children 13 to 15 years old are consuming less than the recommended iron…

A: Given that :  Sample size (n) = 50 Population mean (u) = 20.5 Sample mean = 12.5 Standard deviation…

Q: a. Construct a 95% confidence interval estimate for the population mean amount of paint included in…

A:

Q: Health insurers and the federal government are both putting pressure on hospitals to shorten the…

A: Given,Sample size, n = 21Sample mean, 3.7 daysSample standard deviation, s = 1.3 daysConfidence…

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

A: Given data: Sample size = 45 Significance level = 0.05

Q: In a random sample of five ​people, the mean driving distance to work was 19.9 miles and the…

A: Given Sample size, n = 5 Degree of freedom, n-1 = 4 Sample mean, x = 19.9 miles Sample standard…

Q: An automotive engineer wants to estimate the cost of repairing a car that experiences a 25 MPH…

A:

Q: Beer Drinking. The mean annual consumption of beer per person in the US is 22.0 gallons . A random…

A: P value has find by using R command.

Q: (a) Identify the claim and state H0 and Ha. What is the​ claim? A. The wind speed in Region…

A:

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

A: Given that:Hypothesized value of population mean is 1.Population standard deviation Sample size…

Q: determine the computed value.

A: here given , A soda manufacturer is interested in determining whether its bottling machine tends to…

Q: An energy company wants to choose between two regions in a state to install energy-producing wind…

A: a) Consider that µ1 is population mean wind speed of region A and µ2 is population mean wind speed…

Q: In a random sample of ten people, the mean driving distance to work was 21.8 miles and the standard…

A: Given,sample size(n)=10mean(x)=21.8standard deviation(σ)=6.4α=1-0.99=0.01α2=0.005degrees of…

Q: The average hourly wage for a certified dental assistant is $15.71 per hour, with a standard…

A:

Q: Find the p-value. p= (Round to three decimal places as needed.)

A: The test statistic is, t=x¯-μsn=52.5-53.62.615=-1.6386≈-1.64 The test statistic is -1.6386. The…

Q: A bottled water distributor wants to estimate the amount of water contained in 1-gallon bottles…

A: Given: x̅ =   0.968 σ =   0.03 n =   50

Q: 56. A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it…

A: μ=50,000,n=28,x¯=46500,s=9800,σ=8000

Q: A hotel chain wants to estimate the average number of conference rooms rented daily in each month.…

A: The question is about confidence interval Given : Popl. std. deviation of conf. rented daily ( σ ) =…

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

A:

Q: Kennedy High School reported that the mean score on an end of semester physics exam wass 508 with a…

A: Given, Mean score μ=508Standard deviation σ=121Sample size n=200

Q: A bottled water distributor wants to estimate the amount of water contained in 1​-gallon bottles…

A: Given,sample size(n)=50population standard deviation(σ)=0.01sample…

Q: The average expenditure on Valentine's Day was expected to be $100.89. The average expenditure in a…

A: Solution: Given information: n1= 40  Sample size of male n2= 30 Sample size of female x1= $138.29…

Q: In a factory producing parts for an electronic appliance, the length of a large  number of parts…

A: From the provided information, Mean (µ) = 3 Standard deviation (σ) = 0.05 X~N (3, 0.05) Here X be a…

Q: The mean number of travel days per year for salespeople employed by three hardware distributors…

A:

Q: a. b. Find the best point estimate of the population mean. Construct and interpret the 85%…

A: here given ,  sample size  = n= 20  sample mean = $48.60 sample standard deviation  = $3.53  here…

Q: Absenteeism can be a serious employment problem.  It is estimated that absenteeism reduces potential…

A: Given information: The data represents the EXCEL outputs of multiple linear regression and two…

Q: A soda manufacturer is interested in determining whether its bottling machine tends to overfill.…

A: Here, Sample size is 25 Sample mean is 12.1 and the sample standard deviation is 0.2. The level of…

Q: A sample of 22 public high school students spent an average of 7 hours studying per week. Assuming…

A:

Q: In a random sample of twelve ​people, the mean driving distance to work was 18.8 miles and the…

A: From the given information we want to construct 90% confidence interval.

Q: What is the p-value? (Round to three decimal places as needed.) nterpret the meaning of the p-value.…

A: Solution: Given information: n=45 Sample size x= 0.996 gallon Sample mean μ=1 gallon Population mean…