If n=470 andp (p-hat) =0.69, find the margin of error at a 95% confidence level Give your answer to three decimals

Q: In a recent poll, 300 people were asked if they liked dogs, and 54% said they did. Find the Margin…

A: Obtain the margin of error for the poll at the 95% confidence level. The margin of error for the…

Q: In a recent poll, 470 people were asked if they liked dogs, and 94% said they did. Find the Margin…

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Q: If n=590 and ˆp (p-hat) =0.81, find the margin of error at a 95% confidence level Give your answer…

A: Obtain the critical value: The confidence level is 100*(1–α)% = 95%. The critical value…

Q: If a researcher found that the margin of error =0.9 and the sample mean from the study was 17.7,…

A: Given, A researcher found that the margin of error ME  = 0.9 and  The sample mean u = 17.7 Find the…

Q: In a recent poll, 410 people were asked if they liked dogs, and 24% said they did. Find the Margin…

A: We have to find margin of error.

Q: In a recent poll, 100 people were asked if they liked dogs, and 12% said they did. Find the Margin…

A:

Q: In a recent poll, 480 people were asked if they liked dogs, and 52% said they did. Find the margin…

A: Provided, N=480 P=0.52 be the proportion of people who liked dogs. a=0.10

Q: In a recent poll, 240 people were asked if they liked dogs, and 46% said they did. Find the Margin…

A: Given that, Critical values: By using the standard normal table of Z, the critical value at 95%…

Q: If n=280 and ˆpp^ (p-hat) = 0.39, construct a 95% confidence interval. Give your answers to three…

A: The given sample size, n=280. The sample proportion, p^=0.39 The level of confidence is 0.95. Need…

Q: If n-140 and p (p-hat) 0.63, find the margin of error at a 90% confidence level Give your answer to…

A: Introduction:The 100 (1 – α) % confidence interval for the population proportion, π is: (p̂ –…

Q: A research found that 70% of 1500 randomly selected U.S. adults believe in global warming. Find the…

A: Solution: From the given information, p-hat=0.70 and n=1500.

Q: In a recent poll, 250 people were asked if they liked dogs, and 8% said they did. Find the Margin of…

A:

Q: If n = 600 and p (p-hat) = 0.75, construct a 95% confidence interval. Give your answers to three…

A: Givenp^=0.75n=600Confidence interval(c)=95%α=1-0.95=0.05α2=0.025Critical value(zc)=zα2=z0.025=1.96…

Q: are vegetarian is 0.078. Find the margin of error for a 99% confidence interval.

A: Here given, A researcher wishes to estimate the proportion of adults in the city of Hawalli who are…

Q: A 97% confidence interval for proportion is found to be (.221, .623).  The Margin of Error is?

A: Given : A 97% confidence interval for proportion is found to be (0.221, 0.623)

Q: In a recent poll, 120 people were asked if they liked dogs, and 41% said they did. Find the Margin…

A: From the given information, Sample size = 120 Sample proportion = 0.41   The objective is to find…

Q: In a recent poll, 410 people were asked if they liked dogs, and 32% said they did. Find the Margin…

A:

Q: If n = 320 and p (p-hat) = 0.7, construct a 90% confidence interval. Give your answers to three…

A:

Q: In a recent poll, 190 people were asked if they liked dogs, and 54% said they did. Find the Margin…

A:

Q: If n=410 and ˆpp^ (p-hat) = 0.35, construct a 90% confidence interva

A: Given: n=410 Confidence level=90%

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: If n = 300 and p (p-hat) = 0.8, construct a 99% confidence interval. What is the margin of error?…

A:

Q: In a recent poll, 140 people were asked if they liked dogs, and 52% said they did. Find the Margin…

A: Given data, n=140 p=52%=0.52 z-value at 99% confidence is Zc=2.576   Margin of error(E)=?

Q: We plan to sample students to construct a 98% confidence interval for the proportion who uses Yelp…

A:

Q: From a random sample of 120 students, 95 rated a case of plagiarism as unethical. Using this…

A:

Q: In a recent poll, 260 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: raw score that is 1.96 blank above the sample mean

A:

Q: In a recent poll, 490 people were asked if they liked dogs, and 51% said they did. Find the Margin…

A: Given data,n=490p=51%=0.51z-value at 99% confidence is Zc=2.576E=?

Q: In a recent poll, 540 people were asked if they liked dogs, and 28% said they did. Find the Margin…

A:

Q: In a recent poll, 150 people were asked if they like dogs, and 40% said they did. Find the margin of…

A:

Q: If n = 100 and ˆpp^ (p-hat) = 0.9, construct a 95% confidence interval. Give your answers to three…

A: Sample size, n = 100 95% confidence level p^ = 0.9

Q: In a recent poll, 450 people were asked if they liked dogs, and 54% said they did. Find the Margin…

A: Solution

Q: A 90% confidence interval for the difference between the proportion of college students who use…

A:

Q: In a recent poll, 560 people were asked if they liked dogs, and 80% said they did. Find the Margin…

A: We have to find out given confidence interval..

Q: If n=190 and ˆpp^ (p-hat) = 0.95, construct a 99% confidence interval. Give your answers to three…

A: Obtain the 99% confidence level estimate of the population proportion. The 99% confidence level…

Q: If n=210 and ˆpp^ (p-hat) = 0.6, construct a 95% confidence interval. Give your answers to three…

A: Obtain the 95% confidence interval for the true population proportion. The 95% confidence interval…

Q: If n = 460 and ˆpp^ (p-hat) = 0.4, construct a 95% confidence interval in excel. Give your answers…

A:

Q: If n=520 and p (p-hat) = 0.8, construct a 90% confidence interval. Give your answers to three…

A: Find z-critical value:…

Q: If n = 420 and ˆpp^ (p-hat) = 0.7, construct a 90% confidence interval. Give your answers to three…

A:

Q: In a recent poll, 500 people were asked if they liked dogs, and 94% said they did. Find the margin…

A:

Q: In a recent poll, 350 people were asked if they liked dogs, and 41% said they did. Find the Margin…

A: Given ,        Sample size n=350        Sample proportion p∧=0.41             1-p∧=1-0.41=0.59and…

Q: In a recent poll, 290 people were asked if they liked dogs, and 61% said they did. Find the Margin…

A: Given: Sample size (n) = 290 Sample proportion p^=0.61 Confidence level = 0.90 So, α=1-0.90=0.10

Q: In a recent poll, 480 people were asked if they liked dogs, and 44% said they did. Find the margin…

A: Given: Sample size, n =480 p^=44%=0.44 Confidence interval = 90% At 90% C.I:…

Q: In a recent poll, 240 people were asked if they liked dogs, and 47% said they did. Find the margin…

A: Obtain the margin of error at the 90% confidence level. The margin of error at the 90% confidence…

Q: If n=430 and (p-hat) = 0.67, construct a 90% confidence interval. Give your answers to three…

A: We have given that,  Sample size (n) = 430 and sample proportion or point estimate (p̂) = 0.67…

Q: In a recent poll, 210 people were asked if they liked dogs, and 59% said they did. Find the margin…

A: Find z-critical value:…

Q: In a recent poll, 490 people were asked if they liked dogs, and 90% said they did. Find the Margin…

A: Given, n=490p∧=90%=0.90 Confidence Interval=(1-α)·100%=99%                         i.e.,  α=0.01

Q: In a recent poll, 440 people were asked if they liked dogs, and 21% said they did. Find the Margin…

A:

Q: In a recent poll, 430 people were asked if they liked dogs, and 94% said they did. Find the Margin…

A:

Q: A confidence interval on p is (.356, .418). What are p-hat and the margin of error?

A: Obtain the margin of error. The margin of error is obtained below:   Margin of Error: The margin of…