In a recent poll, 500 people were asked if they liked dogs, and 94% said they did. Find the margin of error of this poll, at the 90% confidence level. Give your answer to three decimals

Q: In a recent poll, 260 people were asked if they liked dogs, and 9% said they did. Find the margin of…

A:

Q: Use critical thinking to list at least three things wrong with this survey. Explain fully using…

A: Given information: The results of online survey are given.

Q: those polled answered the economy. Construct a 93% confidence interval for the proportion of voters…

A: It is given that, the sample size, i..e, the sampled no. of voters, .The no. of voters, who answered…

Q: In a recent poll, 120 people were asked if they liked dogs, and 29% said they did. Find the margin…

A:

Q: n a recent poll, 330 people were asked if they liked dogs, and 30% said they did. Find the margin of…

A: given data, n=330p=0.30CI=0.99α=1-0.99=0.01ME=?

Q: In a recent poll, 560 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Margin of error (E): The margin of error for proportion p is given by,

Q: A random sample of 2000 car owners in a particular city found 740 car owners who received a speeding…

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: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given observation Error = 10% = 0.1 Confidence level = 0.99

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A: Given: A magazine provided results from a poll of 200 adults who were asked to identify their…

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: Some students think that a 90% confidence interval contains 90% of the data. Use the list of data on…

A: As it is calculated that,  90% confidence interval for mean is,  (295753.6,464478.4)

Q: If the mean of five values is 9.8 and four of the values are 13, 6, 9, and 12, find the fifth value.…

A: The formula of the mean is given by: mean = sum of observationsnumber of observations mean = 9.8

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.