A claim is given. Select the corresponding null hypothesis and using a significance level of α = 0.05 and the given p-value, determine if you reject the null hypothesis or fail to reject the null hypothesis. Claim: Americans spend on average less than 8 minutes in the shower. Data: In a sample of Americans (n = 1,803), the average time spent in the shower is 7.8 minutes with a p-value of 0.0546. A. H0 :μ=8and we reject the null. B. H0 :μ=8and we fail reject the null. C. H0 :μ>8and we reject the null. D. H0 :μ>8and we fail reject the null. E. H0 :μ<8and we reject the null. F. H0 :μ<8and we fail reject the null.

Q: A doctor compares three treatments for arthritis. He uses three samples, each of size six, in the…

A: We have given that  Three treatment  and each treatment having six size .

Q: Use a t-test to test the claim about the population mean u at the given level of significance a…

A:

Q: Find the standardized test statistic, z to test the hypothesis that p1 = p2. Use α = 0.05. The…

A:

Q: Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported…

A: The question is about hypo. testing and confidence interval Given : Total no. of rooms in current…

Q: Test the claim about the population mean, µ, at the given level of significance using the given…

A:

Q: A null hypothesis states that p=.5, the observed sample proportion is p=.592 with a sample size of…

A: Given, p0 = 0.5 P^ = 0.592 n = 67

Q: A certain vending company's soft-drink dispensing machines are supposed to serve 6 oz of beverage.…

A: There are 5 independent samples which are A, B, C, D and E. We have to test whether there is a…

Q: Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question.

Q: A certain vending company's soft-drink dispensing machines are supposed to serve 6 oz of beverage.…

A: There are 5 independent samples which are A, B, C, D and E. We have to test whether there is a…

Q: Suppose 212 subjects are treated with a drug that is used to treat pain and 52 of them developed…

A: The given hypothesis is Vs. . A sample of 212 subjects are treated with a drug of which 52 of them…

Q: Using a 5% significance level, determine the p - value if Ha: H 26, x = 28, n=28, and s= 3.6. A…

A:

Q: Use a t-test to test the claim about the population mean u at the given level of significance a…

A: for above claim null hypothesis is   H0:μ=52,600 hence there are 3 possible alternatives are as…

Q: The percentage of movies with ratings of R has been 55% during a recent period of 33 years. Find the…

A: Sample proportion can be computed by taking the ratio of number of success in sample to the sample…

Q: Decide whether to reject or fail to reject the null hypothesis. If you choose to reject the null…

A: Given information: The sample size is n = 100. The population mean is µ = 7.01. The sample mean is…

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A:

Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…

A: According to the given information in this question We need to find the conclusion and 95%…

Q: Weights of Bears – The health of the bear population in Yellowstone National Park is monitored by…

A: Sample size n =54 Sample mean x = 195 lb Population standard deviation σ is known to be 130 lb

Q: A certain vending company's soft-drink dispensing machines are supposed to serve 6 oz of beverage.…

A: The null and alternative hypothesis is given by;H0: μA=μB=μC=μD=μEH1: At least one is not equalThe…

Q: Consider the data below. Three random samples in different cities were selected. Water use per…

A: There are 3 independent samples which are city 1, city 2 and city 3. We have to test whether samples…

Q: onduct a hypothesis test (two tails; alpha=.05). Show the following intermediate steps: State the…

A: The formula for computing the correlation is, r=n(∑xy)-(∑x*∑y)n(∑x2)-(∑x)2n(∑y2)-(∑y)2 The degrees…

Q: A study by researchers at a university addressed the question of whether the mean body temperature…

A: Given that, A study by researchers at a university addressed the question of whether the mean body…

Q: In a survey of 500 drivers from the South, 408 wear a seat belt. In a survey of 370 drivers from the…

A:

Q: Suppose you are using a = 0.05 to test the alternative hypothesis that u> 13 using a P-value. You…

A: We have given that,  Sample mean (x̄) = 13.3, sample size (n)= 50, population mean (μ) = 13,…

Q: Hypothesis Test: Perform the specified hypothesis test. Be sure to include your statistical and…

A: Given information: Data (x) 0.065 0.087 0.07 0.262 0.126 0.183 0.12 0.234 0.313…

Q: according to specifications? Click the icon to view the data. What are the null and alternative…

A: the median weight of quarters =5.670 mggiven level of significance to test sign test is 0.05given…

Q: Use a t-test to test the claim about the population mean u at the given level of significance a…

A: The hypotheses are given below: Null hypothesis: H0:µ=24 Alternative hypothesis: Ha:µ≠24

Q: A data set includes weights (in grams) of 32 Reese's Peanut Butter Cup Miniatures. The accompanying…

A: Sample size n =32 Population mean =8.953

Q: Use a t-test to test the claim about the population mean p at the given level of significance a…

A: It is given that, the clam is that μ = 51,300.

Q: OC. Ho1 "H2 OD. Ho1 <H2 H, =2 Detemine the P-value for this hypothesis test. (Round to three decimal…

A: Solution: Given information: n1= 33  Sample size of population 1n2= 25  Sample size of population…

Q: In a test of hypothesis, the null hypothesis is that the population variance is equal to 4 and the…

A: The given information for the hypothesis test is as follows:Null Hypothesis H0: The population…

Q: Test the claim that the mean of the first population is less than the mean of the second population.…

A: level of significance = sample 1:n1= 135sample 2:n2= 142

Q: Find the standardized test statistic, z, to test the hypothesis that p1 < p2. Use α = 0.10.

A:

Q: The null hypothesis specifies a value of p for the population. What is the corresponding statistic…

A: The null hypothesis specifies a value of p for the population.

Q: We have a sample of 105 body temperatures having a mean of 98.45°F. Assume that the sample is a…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The data in the accompanying table give the weights (in g) of randomly selected quarters that were…

A:

Q: Claim: μ₁ = ₂; x = 0.05. Assume o 0 ² = 0²/2 1 Sample statistics: x₁ = 33.3, s₁ = 3.5, n₁ = 13 and…

A: Givenclaim is μ1=μ2α=0.05Assume σ12=σ22Mean(x1)=33.3standard deviation(s1)=3.5sample…

Q: Find the standardized test statistic, z, to test the claim that p1< p2. Use α = 0.10. The sample…

A:

Q: Test the claim about the population mean, p, at the given level of significance using the given…

A: Given :μ = 40α = 0.02σ = 3.17x¯ = 38.7n = 64

Q: Testing men and womens views on what age is ideal to get married. Sample: men=25 women=26. Asked…

A:

Q: A null hypothesis states that p%=.3, the observed sample proportion is p=.41 with a sample size of…

A:

Q: Suppose that in a random selection of 100 colored candies, 24% of them are blue. The candy company…

A: Introduction: Denote p as the true proportion of blue candies.

Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…

A: Solution: Given information: n1= 25  Sample size of treatmentsn2= 31 Sample size of  placebox1= 2.37…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: p0 = 0.33 n = 108  x = 45  p̂ = x/n = 45/108 = 0.4167Significance level (α) = 0.01

Q: Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate…

A: Mu =1.9