A humane society claims that less than 70% of households in a certain country own a pet. In a random sample of 700 households in that country, 462 say they own a pet. At a = 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and Ha Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. More than % of households in the country own a pet. O B. The percentage households in the country that own a pet is not Oc. % of households in the country own a pet. O D. Less than % of households in the country own a pet

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A: Given information: Percentage of the respondents who stated that they talk to their pets on the…

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A:

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Q: A research center claims that at least 30% of adults in a certain country think that their taxes…

A: Given, n = 1000 p^=0.26 α = 0.01

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A: Here we need to find the required test statistic for the given situation. The population proportion…

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Q: A newspaper article contains the statement that, nationwide, 36% of all graduate students have a job…

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Q: In a survey, 43% of the respondents stated that they talk to their pets on the telephone. A…

A: Given Information: 43% of the respondents stated that they talk to their pets on the telephone. 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

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A: From the above data

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A: The sample size is 108, and population proportion is 0.36. Checking condition:…

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A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A research center claims that at least 27% of adults in a certain country think that their taxes…

A: Identify the correct option for claim.   The correct option for claim is determined below as…

Q: 2. A certified public accountant (CPA) claims that more than 30% of all accountants advertise. A…

A: The following null and alternative hypotheses need to be tested: Ho: p = 0.30Ho:p=0.30 Ha: p…

Q: A research center daims that at least 23% of adults in a certain country think that their taxes will…

A: Given data A research center claims that at least 23% of adults in a certain country think that…

Q: A research center claims that at least 23% of adults in a certain country think that their taxes…

A:

Q: A research center claims that at least 24% of adults in a certain country think that their taxes…

A: Consider, Population proportion (p) = 24% Sample size (n) = 1000

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A: Given,sample size(n)=800sample proportion(p^)=0.34α=0.01

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A: a) Assume that p is the true population proportion of adults, who think their taxes will be audited.

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

A: Let p be the population proportion  Given  p=58%=0.58

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A: Since the value p-value is significantly large P-value=0.18 hence we will not be able reject the…

Q: A research center claims that 31% of adults in a certain country would travel into space on a…

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Q: 55% of students entering four-year colleges receive a degree within six years. Is this percent…

A: Given,sample size (n)=256and X=161sample proportion(p^)=Xn=161256=0.6289α=0.10

Q: A local police chief claims that about 22% of all drug related arrests are ever prosecuted. A sample…

A: The known values are, The null and alternative hypothesis is, Level of significance, The value of…

Q: A research center claims that at least 23% of adults in a certain country think that their taxes…

A: Given that  Sample size n=900 Population proportion p=23%=0.23 Sample proportion p^=20%=0.20

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A:

Q: A research center claims that at least 31% of adults in a certain country think that their taxes…

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A:

Q: 15. A Harris Poll found that 35% of people said that they drink a caffeinated beverage to combat…

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A: A null hypothesis is a statement about an unknown parameter that is framed either from existing…

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A:

Q: A manufacturer of shampoo claims that 42% of the shampoo users prefer brand X. To test this claim, a…

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Q: An airline claims that the no-show rate for passengers is less than 5%. In a sample of 420 randomly…

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Q: A researcher obtains t=2.35 for a repeated measures study using a sample of n=8 participants. based…

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A: From the given information we want to conduct z test for proportion. N= 260 and X = 78

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Q: The administration of a University claims that 47 percent of the students change their major area of…

A:

Q: Among college students, the proportion p who say they're interested in their congressional…

A: Givenx=173n=260p^=xn=173260=0.6654α=0.05

Q: A research center claims that a least 31% of adults in a certain country think that their taxes will…

A:

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.