Of 346 items tested, 22 are found to be defective. Construct the 98% confidence interval for the proportion of all such items that are defective.

Q: In a survey of 4026 ​adults, 708 oppose allowing transgender students to use the bathrooms of the…

A: Given:  n=4026 x=708

Q: A survey of 200,000 boat owners found that 12% of the pleasure boats were named Serenity.Find the…

A:

Q: In a survey of 2274 adults, 749 say they believe in UFOs. Construct a 99% confidence interval for…

A:

Q: In a survey of 2344 ​adults, 715 say they believe in

A: Given that there are 2344 adults and 715 say they believe in UFOs. Consider the sample proportion,…

Q: An accounting firm has 1200 clients. From a random sample of 120 clients, 110 indicated very high…

A: Given : An accounting firm has 1200 clients So,  Population size (N) = 1200 Sample size (n) = 120…

Q: Of 380 randomly selected medical students, 21 said that they planned to work in a rural community.…

A: Sample proportion=p^=21380z=critical value for 95% confidence interval=1.96n=sample size=380

Q: A researcher was interested in knowing how many people in the city supported a new tax. She sampled…

A:

Q: In a random sample of 500 farmers in Fisherville in 2019, 312 said they used cow dung as part of…

A: given data sample size (n) = 500favorable outcomes (x) = 31292% ci p.

Q: Of 127 randomly selected adults, 31 were found to have high blood pressure. Construct a 95%…

A: Given that, Of 127 randomly selected adults, 31 were found to have high blood pressure.  X = 31 N =…

Q: A random sample of 75 college students of MSU is selected and 16 are found to have motorcycles on…

A: From the given information, The sample size is 75. Out of 75 students, 16 are found to have…

Q: A survey found that out of 900 workers, 150 said they were interrupted by frank phone calls. Find…

A:

Q: What is the value of Z for this confidence interval?

A: Given,sample size(n)=14795no.of people who said yes=2219no.of people who said no =12576

Q: Of 380 randomly selected medical​ students, 21 said that they planned to work in a rural community.…

A: Given that 380 randomly selected medical​ students, 21 said that they planned to work in a rural…

Q: Find a 95% confidence interval for the proportion of renters.

A: It is given that  Favourable cases, X = 360 Sample size, n = 600 Confidence interval = 95%

Q: In a survey of 4061 ​adults, 738 say they have seen a ghost. Construct a​ 99% confidence interval…

A: In this question, it has been given that 738 people out of 4061 people have seen the ghost, we have…

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: A survey​ asked, "How many tattoos do you currently have on your​ body?" Of the 1238 males​…

A:

Q: In a study by Sallie Mae and Gallup, 323 of the 1404 respondents said that they paid for their…

A:

Q: Out of 300 people sampled, 171 had kids. Based on this, construct a 95% confidence interval for the…

A:

Q: andom sample of 1200 high school freshmen was taken and it was found that 559 of them were reading…

A: The population proportion (p) will be proportion of high school freshman who reads at or above their…

Q: In a sample of 300 people, 48 identified as dog owners. Construct a 99% confidence interval for the…

A: Obtain the 99% confidence interval for the true proportion of people who are dog owners. The 99%…

Q: Of 2019 employees selected randomly at a company, 10% of them commute by carpooling. Construct a 90%…

A:

Q: Of 254 randomly selected medical students, 25 said that they planned to work in a rural community.…

A: It is given that, the number of students said that they planned to work in natural community   (x)…

Q: An ice cream shop wants to know how many customers enjoy their newest flavor. 200 randomly selected…

A:

Q: A university dean is interested in determining the proportion of students who receive some sort of…

A: Given that, X = 118 N = 200 99% confidence level

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1228 males surveyed,…

A: Male with tattoos Sample size, n1=1228 Had at least one tattoo, x1=176   Female with tattoos Sample…

Q: A sanatorium conducted a study on 3,500 women over 35 years of age, of whom 220 reported having…

A: Step 1: State the given data: number of favorable cases, x = 220sample size, n = 3500confidence…

Q: Out of 54 randomly selected patients of a local hospital who were surveyed, 49 reported that they…

A: Giventotal patients randomly selected =n = 54total patients who were satisfied = 49proportion of…

Q: A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: Given : X = 300 n = 1815 p^ = xn    = 3001815    = 0.1653

Q: An internet study was mailed to 2336 subjects randomly. 1108 surveys were returned. Construct a 95%…

A: A study mailed to 2,336 subjects randomly out of which 1,108 surveys were returned. That is,…

Q: In a survey of 500 women, 120 said that Valentine’s Day was their favorite occasion to receive…

A: Step-by-step procedure to obtain the value of z using MINITAB:Choose Graph > Probability…

Q: A survey of 800 women shoppers found that 17% of them shop on impulse. what is 98% confidence…

A:

Q: confidence interval for the true proportion

A: We have to find out the confidence interval for the true proportion.

Q: In a survey of 2033 adults in a recent​ year, 735 made a New​ Year's resolution to eat healthier.…

A: First find out the true population proportion .    Total number of adults in a survey = n= 2033…

Q: A survey found that out of 800 workers, 150 said they were interrupted by frank phone calls. Find…

A: Given,n=800x=150p^=xnp^=150800=0.18751-p^=1-0.1875=0.8125α=1-0.95=0.05α2=0.025Z0.025=1.96

Q: Out of 100 people sampled, 40 had kids. Based on this, construct a 99% confidence interval for the…

A: From given data we have : x=40 n=100 thus, p^=xn  =40100  =0.4

Q: Out of 600 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the…

A: Given;n = 600x = 42confidence level 99%

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.