A political candidate has asked you to conduct a poll on the average number of children her constituents have. If the candidate only wants a 2 child margin of error at a 90% confidence level and assuming σ=6σ=6, what sample size is needed? (Note: Round your critical value to three decimal places before computing.) 15 24 8 14 25 7

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

A: It is given that x is 453 and n is 1,000.

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

A: The sample size n is 1000 and the number of voters were in favor of school bond measures (x) is 314.

Q: thabasca Fishing Lodge is located on Lake Athabasca in northern Canada. In one of its recent…

A: Population proportion = 0.75 Sample proportion = 65/84 = 0.77 n = 84

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Q: Perform the hypothesis tests as required. Use the four-step method. Topic: HYPOTHESIS TESTING ONE…

A: To testH0:μ=98.6H1:μ<98.6

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Q: (a) make your conclusion. Find the rejection region with the significance level a = 0.01, and use it…

A: 5. (a) The test statistic is, z=x¯-μσn=12.9-130.225=-0.10.04=-2.5 The test statistic is -2.5. The…

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A: Given:  A sample mean, sample size and sample standard deviation are provided.  It is asked to use…

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

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Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

A: Solution: Let X be the number of voters are against fire department bond measures and n be the…

Q: a (99% confidence level, polulation 10,000, sample size 9) CLO 2) Test a claim that the mean height…

A: Solution: Given information: n= 9 Sample size  μ=64  Population mean  x (x-x) (x-x)2 69 1.6667…

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 2* =…

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Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

A: It is given that x is 551 and n is 1,000.

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A: From the given information, The null and alternative hypothesis are: H0 : μ1 - μ2 = 0 H1 : μ1 - μ2 ≠…

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A: We have given that  Margin of error= E = 0.1%=0.001 95 % confidence interval.

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

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A: We have been given two samples:   One sample from Rural and One sample from Urban.

Q: Find the P-value that corresponds to the given standard score, and determine whether to reject the…

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Q: Critical values for quick reference during this activity Confidence level Critical value 0.90 1.645…

A: Given that  n=1000 , X=307

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Q: Researchers conducted a study to determine whether magnets are effective in treating back pain. The…

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Q: Jse technology to find the P-value for the hypothesis test described below. The claim is that for 12…

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Q: 3876741091676 quany? Jump to level 1 In a poll of 1000 randomly selected voters ina local election,…

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A: We want to test the hypothesis

Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* =…

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Q: 3. In a survey conducted recently by CNN in an attempt to find the proportion of adults that have an…

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Q: sample​ mean, sample​ size, and sample standard deviation are provided below. Use the​ one-mean…

A: Given data, Population Mean is μ=24Sample mean is x=25sample sd is s=10n=24α=0.10

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Q: Confidence level   Critical Value .90                         z∗=1.645 .95…

A: From the provided information, Sample size (n) = 1000 Out of which 862 voters were against fire…

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Q: Part 1 A researcher wishes to​ estimate, with 95​% ​confidence, the population proportion of adults…

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Q: Critical values for quick reference during this activity. Confidence level Critical value 0.90…

A: We have given that,  A poll reported 45% support for a statewide election with a margin of error of…

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