Cyber Monday Shopping A survey of 1000 U.S. adults found that 33% of people said that they would get no work done on Cyber Monday since they would spend all day shopping online. Find the 90% confidence interval of the true proportion. Use a graphing calculator and round the answers to at least three decimal places.

Q: Ninety-four percent of students said that cash is their top choice for a graduation gift. If 75…

A: It is given that sample size (n) is 75and the sample proportion value is 0.94.

Q: A June 2020 Angus Reid poll of 1510 Canadian adults found that 53% support the idea of a 30 hour…

A: Given Data: p^=0.53n=1510   z-value corresponding to 95% Confidence level=1.96

Q: In 2016 the CDC wanted to estimate the proportion of adults who are smokers in the U.S. The…

A:

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400…

A: The objective of this question is to construct a 95% confidence interval for the proportion of adult…

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: I've asked 91 students on Monday whether they did their homework over the weekend. 20 of them said…

A:

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: A survey of 700 non-fatal accidents showed that 167 involved uninsured drivers. Construct a 99%…

A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?

Q: 3. A survey of 2,950 Filipinos showed that 2,655 trust the Supreme Court decisions on legal issues.…

A: Let X be the number of trust the supreme court decision on legal issues  n be the sample size  Given…

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: A poll reported that only 502 out of a total of 1685 adults in a particular region said they had a…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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: We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 500…

A: The sample proportion of the sample of size n can be defined as:  Here, X = Total number of success…

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: Out of 240 sample students surveyed, 187 students are planning to take classes during the…

A: We have given that the sample size n=240 and favourable cases X=187. Sample proportion p^ = X/n.

Q: The General Social Survey asked 1294 people whether they performed any volunteer work during the…

A:

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: Using the dot plot from your link, count how many of the data values lie within the confidence…

A: Using the information given in the first image, we will answer the questions given in the second…

Q: In a study of 120 randomly selected families, 50 said they streamed their television content. Find…

A:

Q: m what their favorite color was. 23 people said their favorite color is blue. Using this sample,…

A: Sample proportion is the fraction of successful samples and total number of samples. Here,  Total…

Q: You plan to conduct a survey to find out the proportion of students who enjoy taking classes…

A: Given  The margin of error is given as m=0.02 At a 90% confidence interval, α=0.1 As the proportion…

Q: A study at Harvard found that 44% of their students binge drink. You are at Princeton doing a…

A:

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: We wish to estimate what percent of adult residents in a certain county are parents. Out of 500…

A: Given X=25 n=500 95% confidence interval

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

A: Given:

Q: ed 1294 people whether they performed any volunteer work during the past year. A total of 517 people…

A: The sample proportion is computed as follows,

Q: vey asked 1309 people wnether they performed any volunteer work during the past year. A of 518…

A: Given that  Sample size n =1309 Favorable cases x =518 Sample proportion p^=x/n

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month.…

A:

Q: Translate the statement into a confidence interval. Approximate the level of confidence. In a survey…

A: The sample size is 1072, 67% say they are willing to get a second or part-time job to pay for their…

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: Cyber Monday Shopping A survey of 1100 U.S. adults found that 32% of people said that they would get…

A: Given,   Sample size = 1100 Sample proportion = 0.32   Critical value: Using z-table, the z-critical…

Q: A poll asked for people's opinion on whether closing local newspapers would hurt civic life. 425 of…

A: We have given that, Favorable cases (X) = 425 and sample size (N) = 1002  Then,  We will fins the…

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1229 males surveyed,…

A: From the provided information,

Q: A survey of 1000 U.S. adults found that 33% of people said that they would get no work done on Cyber…

A: We need to construct the 95%95\% confidence interval for the population proportion. We have been…

Q: What is the lower endpoint of a 95% confidence interval for the percent of students who like online…

A: Given Level of significance ɑ=0.05, x=92, n=134

Q: In a recent poll, 190 people were asked if they liked dogs, and 81% said they did. Find the Margin…

A:

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

A: Solution

Q: In a recent poll, 150 people were asked if they liked olives, and 23% said they did. Find the margin…

A: Given: n=150 p=0.23 α=0.1

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.