A poll reported 44% support for a statewide election with a margin of error of 2.45 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number? ____voters

Q: A poll reported 30% support for a statewide election with a margin of error of 3.96 percentage…

A: Given  p^=30%, margin of error=e=3.96% , Level of the significance=0.05

Q: poll reported 41% support for a statewide election with a margin of error of 1.72 percentage points.…

A: We have given that  Population proportion p =41%=0.41 Margin of error =E =1.72%=0.0172 90%…

Q: A board-game club meets each week at the local library. People bring different board games to play,…

A:

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

A: In this question, It has been given that Margin of error = 0.05 and level of significance = 0.005.…

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

A:

Q: A poll for a statewide election has a margin of error of 2.14 percentage points. How many voters…

A: From the provided information,Margin of error (E) = 0.0214Confidence level = 99%

Q: Suppose in a recent poll of 1250 randomly selected Californians who took vacations, 132 of them…

A:

Q: A poll reported 38% support for a statewide election with a margin of error of 1.36 percentage…

A: Proportion of voters who supports for a statewide election Margin of error Confidence level

Q: The first quartile is a value that has __% of the observations below it. Is the answer 25%

A: The first quartile value is denoted by Q1. This value states that 25% of the observations are below…

Q: A poll was conducted to examine if people are happy with the government. 400 people were asked and…

A: It is an important part of statistics . It is widely used .

Q: A research firm needs to estimate within 3% the proportion of junior executives leaving large…

A: From the given information , E = 3% = 0.03 = 0.41Confidence level , C = 0.95

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

A: Determine the size of sample is needed. The size of sample is needed is obtained below as follows:…

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

A:

Q: A pollster wanted to predict the upcoming results of the 2020 presidential elections in a local…

A:

Q: a research poll institute asked respondents if they fet vulnerable to identify theft. in the poll,…

A: Given Data: n=1002 x=595 α=0.05   Calculating the sample proportion p⏜=xn=5951002=0.5938 As n is…

Q: A Plitical pollster wants to know what proportion of voters think james burger should go away and…

A:

Q: A poll reported 60% support for a statewide election with a margin of error of 3.35  percentage…

A: The question is about sample size estimationGiven :Proportion of voters who supports for a statewide…

Q: A poll reported 37% support for a statewide election with a margin of error of 4.18 percentage…

A:

Q: in a recent poll, 220 people were asked if they liked dogs, and 36% said they did . find the margin…

A:

Q: A few weeks before the 2016 presidential election, the Bloomberg National Politics Poll asked 1006…

A: Given : A few weeks before the 2016 presidential election, the Bloomberg National Politics Poll…

Q: A newspaper reported the results of a political poll about which candidate likely voters preferred,…

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

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

A: The formula for the sample size is as follows:

Q: A poll for a statewide election has a margin of error of 3.59 percentage points. How many voters…

A: given data  E = 0.0359 90% ci for p  n = ?

Q: Refer to the accompanying data set of 20 randomly selected presidents. Treat the data as a sample…

A: The provided information is as follows:The sample size for each sample is .The level of confidence…

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

A: Let P be the population proportion (might be a hypothesized value), p be the sample proportion and α…

Q: A regional survey of 561 companies asked the vice president of operations how satisfied he or she was…

A:

Q: In a recent poll, 430 people were asked if they liked dogs, and 54% said they did. Find the margin…

A: In a recent poll, 430 people were asked if they liked dogs, and 54% said they did. Find the margin…

Q: In a past presidential​ election, 37,979,113 people voted for Candidate​ A 37,758,117 for Candidate​…

A: a. In the past presidential​ election, 37,979,113 people voted for Candidate​ A; 37,758,117 for…

Q: political researcher takes a survey of 310 randomly selected registered voters in Orlando, and each…

A: Given that.  n=310 , Candidate A=110 , Candidate B=185 Unsure or plan to vote for another…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given Data Sample Size, n = 992 Number of successes, x = 581.0 confidence level,c=…

Q: Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune…

A: Obtain the sample size of a preliminary estimate for p is 0.14.   The formula of sample size is,…

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

A: Given:Margin of error (E) = 0.09Confidence level = 90%Since, the proportion of people that support…

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.