Question 22: Test the claim that the proportion of people who own dogs is less than 32%. A random sample of 1000 people found that 27.2% owned dogs. Do the sample data provide convincing evidence to support the claim? Test the relevant hypotheses using a 5% level of significance. Give answer to at least 4 decimal places. What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.) H0: H1: Based on the hypotheses, find the following: Test Statistic = p-value =

Q: Your medical research team is investigating the mean cost of a 30-day supply of a certain heart…

A: Hypothesis Testing: A method of statistical study entitled hypothesis testing involves testing your…

Q: The mean age of bus drivers in Chicago is 59.2 years. If a hypothesis test is performed, how should…

A: Given : Claim : The mean age of bus drivers in Chicago is 59.2 years.

Q: What is the expected count for those are employed that are against capital punishment?

A: The exepected count is defined as  E = (row total × column total)/total

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A: Given that a magazine provided  results from a poll of 1000 adults who were asked to identify their…

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A: The data shows the calcium for tree growth of 8 precipitation dates in 2018.

Q: writing an appropriate null and alternative hypothesis

A: here use basic of hypothesis testing

Q: Data for (3) A random sample of 100 statisticians were asked, "To what extent do you feel the…

A: Solution To draw the distribution pie chart is appropriate because the sample size is large and the…

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A: Given : Claim : Prop. of adults who smoked a cigarette in the past week is < 0.25  po<0.25…

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A: In statistical inference, there are two types of estimation,  Point estimation and Interval…

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A: Claim: The mean cost of a 30 day supply of a certain heart medication is more than $97 The symbolic…

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A: (A)Here, the claim of the test is the proportion of inaccurate orders isequal to 10%. This is…

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A: NOTE: As per the guidelines, only first three subparts have been solved here Given information: A…

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

A:

Q: You are performing a chi-square test involving 7 categories. Your Null hypothesis is "All…

A: Suppose we are performing a chi-square test involving 7 categories. And our null hypothesis is “All…

Q: O Ho: B1 = 0 %3D Hại ß1 # 0 Hoi Bz # 0 Hai B1 = 0 Set up the ANOVA table. (Round your for F to two…

A: We have used the excel data analysis tool to run the regression analysis.

Q: It has been claimed that at UCLA 43% of all students live on campus. Researcher Ebony Robinson…

A: Given X=112 n=250

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: Test the claim that the proportion of people who own dogs is less than 32%. A random sample of 1000…

A: Suppose p is the true proportion of people who own dogs.

Q: State the hypotheses and identify the claim.

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

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A: Ans- A researcher believes that the average amount of calories consumed daily differs between adult…

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A: From the provided information, Sample size (n) = 100 From which 58 believed that there is life on…

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: jury duty and only 10 of them are Hispanic. Does this apparent underrepresentation of Hispanics call…

A: Given that  Sample size n =74 Favorable cases x =10 Sample proportion p^=x/n  =10/74 =0.1351

Q: If the Chi-square (x2) test statistic = 16, what decision would you make about your hypotheses? (…

A: The number of rows is 2 and the number of columns is 2.

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A: Note: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am…

Q: Test the claim that the proportion of people who own dogs is less than 33%. A random sample of 1000…

A:

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A: We have to find correct conclusion from available options.

Q: You are conducting a study to see if the proportion of men over the age of 50 who regularly have…

A: Given that, You are conducting a study to see if the proportion of men over the age of 50 who…

Q: You are conducting a study to see if the proportion of men over the age of 50 who regularly have…

A: The sample size is .The number of men having their prostate regularly examined is .The significance…

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A: In hypothesis testing, we use two different tails. They are one-tailed and two-tailed. There are two…

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A: From the provided information,

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A: Given that Sample size n = 500 Sample proportion of market share = 0.125 Level of significance =…

Q: In 1992 a national vital statistics report indicated that about 2.3% of all births produced twins.…

A: Solution: Given information: n= 455 Sample size x =7 successes  p^=xn=7455=0.0154  Sample proportion…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Solution-: Given: n=569,p^=0.56 We find the test statistic=?

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: The sample proportion is 99.3% and sample size is 640.

Q: d) Find the p-value and compare to the significance level (5%) e) State the formal conclusion and…

A: From the information, given thatThe claim is to test whether the population proportion of U.S.…

Q: Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value.…

A: It is given that a sample of 200 homes sold in which 113 homes with sales prices over median and 87…