Takeout Food A magazine article reported that 10% of adults buy takeout food every day. A fast-food restaurant owner surveyed 196 customers and found that 32 said that they purchased takeout food every day. At =α0.05, is there evidence to believe the article's claim? Use the critical value method with tables. (a) State the hypotheses and identify the claim, one-tail or two-tail. (b) Compute the test value. (c) Find the P-value. (d) Make the decision. (e) Summarize the results.

Q: In a previous year, 61% of females aged 15 and older lived alone. A sociologist tests whether this…

A: We have to find test statistics and p value...

Q: the claim of health officer true

A: Given; n=100, x=70 , P0=60% and α=0.01 To test: H0: The researcher concludes completed polio vaccine…

Q: In a survey, 31% of the respondents stated that they talk to their pets on the telephone. A…

A: Given that n =150 ,p = 0.31

Q: A basketball player with a 65% shooting percentage has just made 6 shots in a row. The announcer…

A: The basketball player has a shooting percentage 65% . So, the probability that the player will make…

Q: 6.- The day after Thanksgiving-called Black Friday–is one of the largest shopping days in the United…

A: A confidence interval (CI) is a type of estimate computed from the observed data. It gives a range…

Q: Medical officials want to test Ho: p= .65 vs HA: p>.65 where p= the success rate of a particular…

A:

Q: 2. A decade-old study found that the proportion, p, of high school seniors who believed that…

A: Given that,possible chances (x)=165sample size(n)=240success rate ( p )= x/n = 0.6875success…

Q: he manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and…

A: Given : Sr. No. Before(x) After (y) 1 12 10 2 14 13 3 13 13 4 11 10 5 9 8 6 15 12 7…

Q: A simple random sample of 100 students from a certain University was selected and count the…

A: n =100 Given sample proportion   P=0.3         formula for  standard error is SE  =  square root of…

Q: In 1965, about 44% of the U.S. adult population had never smoked cigarettes. A national health…

A: Given Information: Population proportion (p) = 0.44 Sample size (n) = 1360  Sample proportion (px) =…

Q: just the last part thank you!

A: From the given information we want to find the P value for the z test .

Q: An airline company is interested in improving customer satisfaction rate from the 80% currently…

A: Step 1: Set Up the Hypotheses- **Null Hypothesis (H0):** The customer satisfaction rate is 80% or…

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

A: It is clear that the normal model is not appropriate to use. The sample size is 140, probability of…

Q: According to a recent study annual per capita consumption of milk in the United States is 21.5…

A: 1) From the provided information, The hypotheses can be constructed as: H0: µ = 21.5 H1: µ > 21.5…

Q: n automobile owner found that 20 years ago, 74% of Americans said that they would prefer to purchase…

A:

Q: Does training in stress reduction make a difference for student success?  15 students received…

A: Given Information: Sample 1: Sample size n1=15 Sample mean M1=88 Sum of squares SS1=400 Sample 2:…

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: The random variable eats salad at least once a week follows binomial distribution. X ~ B (n, p) The…

Q: In a survey, 32% of the respondents stated that they talk to their pets on the telephone. A…

A: Givenn=200x=60p^=xn=60200=0.3H0:P=0.32H1:P<0.32α=0.05

Q: A random sample of n1 = 292 voters registered in the state of California showed that 143 voted in…

A: From the given information, let X1 be the number of registered voters in the state of California…

Q: A manufacturing company wants to see if there is a significant difference in three types of plastic…

A: The mean and smaple size for prizes of three types of polythene is given as:TypeSample meanSample…

Q: Suppose are running a study/poll about the proportion of men over 50 who regularly have their…

A: we have given that  sample size n=83  ,favorable cases x=76 ,population proportion=0.96

Q: A survey in Brighton among cancer patients revealed that 62 out of 454 women patients are diagnosed…

A: Solution: Let X1 be the number of women patients are diagnosed with lung cancer, X2 be the number of…

Q: A local Police Department believes that at least 80% of the drives stopped on Saturday nights for…

A:

Q: Quit oking: In a survey of 444 HIV-positive smokers, 200 reported that they nad used a nicotine…

A: We have given that  Sample size n = 444  Favorable cases x = 200 Sample proportion p^=x/n

Q: State the hypotheses and identify the claim.

A: Stating hypotheses is the first step of the hypothesis testing inferential procedure.

Q: Previously, 3% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician…

A: State the hypotheses.     Determine whether normal model can be used to approximate the P-value or…

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A:

Q: What is the​ p-value?

A: Here sample size is too large so use z test for proportion

Q: Previously, 11.2% of workers had a travel time to work more than 60 minutes. An urban economist…

A: From the provided information, Sample size (n) = 85 From which 11 of them have a travel time to work…

Q: A humane society claims that less than 73% of households in a certain country own a pet. In a random…

A: Given,sample size(n)=500population proportion (P)=0.73and X=355α=0.05

Q: In a survey, 33% of the respondents stated that they talk to their pets on the telephone. A…

A: N=150 P0=0.33

Q: our manager thinks that the percentage of workers in the company who favor flextime is greater than…

A: Hypotheses: Null Hypothesis: H0: The proportion of workers in the company who favor flextime is not…

Q: The mayor of a town has proposed a plan for the annexation of a new community. A political study…

A: The objective of this question is to determine whether there is enough evidence to support the claim…

Q: A humane society claims that less than 64% of households in a certain country own a pet. In a random…

A:

Q: the percentage of adults who approve of labor unions has decreased since​ 1936? What are the…

A: Given : Claim :  The percentage of adults who approve of labor unions has decreased since​ 1936.

Q: The president of a local college reported that more than 25% of the students received a…

A: Solution: State the hypotheses Null hypothesis: That is, proportion of the students have…

Q: A humane society claims that less than 64% of households in a certain country own a pet. In a random…

A: Claim: Less than 64% of households in the country own a pet.A. H0: p0.64Ha: p<0.64From the given…

Q: Suppose a professional basketball player historically makes 39% of his three-point field goals.…

A: When the variable of interest is categorical in nature, it indicates that we are dealing with the…

Q: The city manager measures response times by looking at the proportion of calls for which paramedics…

A: It is required to test whether the proportion of calls for which paramedics arrived within 8 minutes…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.