Levels Proportions Number of Observations Total Observations Variables Democrat 0.3587 721 Independent 0.3711 746 2010 polparty - 4 Levels Listed Republican 0.2512 505 Other 0.0189 38

Q: In July of 2013, Australians were asked if they thought unemployment would increase, and 47% thought…

A: We have to test at  whether the proportion of people who thought that the unemployment is increases…

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, 420 people were asked if they liked dogs, and 9% said they did. Find the Margin of…

A: Given: Sample size=n=420,Number of people who liked dogs:x=420×9100=37.8≈38,Significance…

Q: Many high school students take the AP tests in different subject areas. In one year, of the 144,140…

A: given data  n1 = 144140   x1 = 84545p^1 = x1n1 = 84545144140 = 0.5865 n2 = 216298    x2 = 126501p^2…

Q: In a recent poll, 410 people were asked if they liked dogs, and 85% said they did. Find the margin…

A: Given that, p^=0.85n=410 Critical value: By using the z-tables, the critical value at 1% level of…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​…

A: Step 1: Step 2: Step 3: Step 4:

Q: A recent poll pertaining to educational reforms involved 665 men and 840 women. The margin of error…

A:

Q: In a recent poll, 370 people were asked if they liked dogs, and 69% said they did. Find the Margin…

A:

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

A:

Q: Construct a 99.8% confidence interval for the proportion of women who work at home who are college…

A: Given,n=519x=165p^=xnp^=165519=0.318The point estimation for the proportion is 0.318 .

Q: In a recent poll, 450 people were asked if they liked dogs, and 48% said they did. Find the margin…

A: Total number of people = 450 Given that in a recent poll, 450 people were asked if they liked dogs,…

Q: In a​ poll, 51​% of the people polled answered yes to the question​ "Are you in favor of the death…

A:

Q: Belief in Haunted Places A random sample of 280 college students were asked if they believed that…

A: Answer below

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, 270 people were asked if they liked dogs, and 15% said they did. Find the Margin…

A: given data sample size (n) = 270p^ = 0.1595% ci p, E = ?

Q: In a recent poll, 300 people were asked if they liked dogs, and 89% said they did. Find the margin…

A: Solution: From the given information, p-hat=0.89 and n=300.

Q: Find the Margin of Error for this poll, at the 95% confidence level.

A: It is given that in a recent poll, 210 people were asked if they liked dogs, and 36% said they did.…

Q: A recent survey asked the question, “Have you ever cut off communication with a family member…

A: Given that, p^=0.17,n=5592 Critical values: By using the standard normal table of Z, the critical…

Q: d their candidate. State your answers as percents rounded to 1 decim

A: Here it is given that -  Of the 619 randomly selected likely voters surveyed, 305 supported their…

Q: n a recent poll, 510 people were asked if they liked dogs, and 45% said they did. Find the Margin of…

A: Given Data Sample Size, n = 510 p̂= 0.45 Significance level, α =1-0.99…

Q: A survey company polls 1,233 voters about whether they plan to vote for the Liberal or the…

A: Sample size 52% of voters prefer the Liberal candidate i.e., Significance level

Q: A survey of 26 individuals found that they spent an average of $39.21 on exercise attire for the…

A: Confidence interval is an inference process which is used to estimate the population parameter. The…

Q: one city, 79.6% of the 8500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given n=8500

Q: In a recent poll, 130 people were asked if they liked dogs, and 24% said they did. Find the margin…

A: Given, Total number of people = 130 Probability that a person likes a dog = 0.24 z value at 99%…

Q: In a recent poll, 310 people were asked if they liked dogs, and 40% said they did. Find the Margin…

A: Given data: n = 310p⏞ = 40100=0.40C.I = 99%      =0.99Then, calculate αα = 1-0.99   =0.01Now,…

Q: A student polls his school to see if students in the school district are for or against the new…

A: From the provided information, Sample size (n) = 395 Out of which 210 are against the new…

Q: In a recent poll, 600 people were asked if they liked dogs, and 58% said they did. Find the margin…

A:

Q: In a recent poll, 260 people were asked if they liked dogs, and 80% said they did. Find the Margin…

A: Given:

Q: In a recent poll, 300 people were asked if they liked dogs, and 71% said they did. Find the Margin…

A:

Q: In a recent polI, 200 people were asked if they liked dogs, and 15% said they did. Find the margin…

A: From the provided information, Sample size (n) = 200 15% people said they like dogs that is p̂ =…

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: In a recent poll, 300 people were asked if they liked dogs, and 73% said they did. Find the margin…

A:

Q: in a recent poll, 130 people were asked if they liked dogs, and 46% said they did. Find the Margin…

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

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: t poll, 240 people were asked if they liked dogs, and 35% said they did. Find the Margin of Error…

A: Given: n = 240 p^=35%=0.35 The value of z at 95% confidence level is 1.96, which can be obtained by…

Q: In a recent poll, 289 people were asked if they liked dogs, and 17% said they did. Find the margin…

A: Let X be the number of people who liked dogs Given: Number of people or sample size (n) = 289…

Q: In a recent poll, 250 people were asked if they liked dogs, and 21% said they did. Find the margin…

A: Sample size=n=250P=21%=0.2195% of confidence interval is

Q: A national survey of 2000 adult citizens of a nation found that 23% dreaded Valentine's Day. The…

A:

Q: Briefly discuss the meaning of a 95% confidence interval and a 99% confidence interval and how they…

A: A confidence interval is a range of values that quantifies the uncertainty or level of confidence…

Q: In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin…

A:

Q: A report announced that the median sales price of new houses sold one year was $231,000​,and the…

A:

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.