When 500 junior college students were surveyed,120 said that they have previously owned a motorcycle. Find a point estimate for p,

Q: Using a random sample of 3867 TV households, Acme Media Statistics found that 55.9% watched the…

A: (a) Given that: Sample size (n)=3867 Proportion (p)=55.9%=0.559 The margin of error can be obtained…

Q: The median salary of the 1,073 teachers in a large public school district is $38,850. If the 65th…

A: The median salary of the 1,073 teachers in a large public school district is $38,850. If the 65th…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: In a poll of 2900 adults in a certain country, 1595 of the adults believed that the Olympics should…

A: Let the number of students who believe to be restricted to be x

Q: physicians

A: Number of success = x= 3145 n=5804

Q: A survey of 2390 musicians showed that 304 of them are left-handed. Find a point estimate for p, the…

A: Here Given sample size= n=2390                                         X=304

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: Given:           10−foot truck can carry 45 boxes.26−foot truck can carry 160 boxes.

Q: A survey of 250 households showed 91 owned at least one blower. Find an estimate for p, (proportion…

A: Given that there are total 250 households.  Among them, 91 owned at least one blower.

Q: A pollster wishes to estimate the proportion of United States voters who favor capital punishment.…

A:

Q: The median salary of the 1,073 teachers in a large public school district is $38,850. If the 65th…

A: Consider the given information in the problem, total number of teachers=1073 65th percentile=65% of…

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: The formula for the sample size is as follows: Here,zα/2 is the critical value at 95% confidence…

Q: ) What is the point estimate for the percent who want to change the town’s name? (b) What is the…

A: We can solve the problem as follows

Q: Linda Silbers is a social scientist studying voter opinion about a city bond proposal for a…

A: Given that the confidence level is 95%. margin of error (ME)=5%=0.05 Consider that the p=73%=0.73…

Q: A    national    polling    organization    wants    to    be    95%    confident    that    its…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: Solution: B. From the given information, confidence level is 0.99, p=0.92 and E=0.02.

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: The margin of error (E) is 0.04 and the confidence level is 0.90.

Q: Provide an appropriate response. When 390 junior college students were surveyed,115 said that they…

A: It was given that 115 out of 390 junior college students have previously owned a motorcycle.

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: Sample Size: The formula for the sample size is as follows: Here, zα/2 is the critical value at 99%…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: The margin of error (E) is 0.03 and the confidence level is 0.95.

Q: A random sample of 800 Tennessee residents is taken.  Of those 800 residents, 170 said their…

A: Given information  Total residents(n) = 800 No of people whose UK team is favourite  (x) = 170 point…

Q: 80 students at a college were asked whether they had completed their required English 101 course,…

A: Given: In a college 80 students completed their English 101 course with 48 students being yes. To…

Q: 81 students at a college were asked whether they had completed their required English 101 course,…

A: Given,     The objective is to find the best point estimate for the proportion of students at the…

Q: In a survey of high school seniors, 72% of those surveyed stated they were planning on attending…

A: Given: Percent of high school seniors stated that they were planning on attending college is = 72%…

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

A: Solution: a. Let X be the number of oil tankers that had spills and n be the number of tankers. From…

Q: software system. In planning for the operating system that he will​ use, he needs to estimate the…

A: Given that  Margin of error =E =5%=0.05

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: Critical value: Here, α = 0.01. Using excel formula “=NORM.S.INV(1-(0.01/2))”, the critical value is…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: From the provided information, Confidence level = 95% Margin of error (E) = 4% that is 0.04 Assuming…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

Q: 81 students at a college were asked whether they had completed their required English 101 course,…

A: The number of students said yes (x) is 54 and the sample size (n) is 81.

Q: Find the point estimate of p and 96% CI.

A: Given: X: Number of students responded as Yes = 32 n: Total number of students = 100

Q: Out of 200 people sampled, 28 said they prefer Coke over Pepsi. What is the point estimate for the…

A: From the given information, ˆp =0.14 Sample size is n=200

Q: A survey of 700 non fatal accidents showed that 287 involved defective equipment.  Find a point…

A: Given

Q: mple is rder to be 99% confident that the sample proportion will not differ from the true proportion…

A: Given : Margin of error: ME = 0.06 sample proportion: p̂ = 0.23

Q: 82 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: We have, a box truck rental service offers trucks in multiple sizes for people who are moving such…

Q: Find the sample proportion, p-hat. When 410 college students were surveyed,150 said they own their…

A: Given, The objective is to find the point estimate for p (p-hat), the population proportion of…

Q: 85 students at a college were asked whether they had completed their required English 101 course,…

A: Best point estimate:The best point estimate of population proportion is the sample proportion.

Q: Determine whether or not proportions of voters favoring the democrat candidate were the same in both…

A: Given  p1=populaion proportion of voters favoring democrat candidate in Alabamap2=population…

Q: A survey asked 100 stü to name the temperature at which they feel most comfortable. The box plot…

A:

Q: Suppose that a polling organization surveys n = 400 people about whether they think the federal…

A: Let p is  defined as the population proportion of people say that the government should provide aid…

Q: Bounce Club surveyed a random sample of 55 of their members about their favorite type of music. Of…

A: Given that 22 out of 55 likes jazz music, let x out of 422 bounce club members likes jazz music.…

Q: A local cellular phone company wishes to estimate the proportion of Clinton County people who own a…

A: Given information: Confidence level is 95%. Significance level is 5%. From the standard normal…

Q: 101 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: A manager for Shopee wants to determine the current percentage of Filipino adults who now use the…

A: The Cochran formula is used to determine the minimum sample size for the estimation of population…

Q: A survey of 250 households showed 91 owed at least 1 blower. Find an estimate for P,( proportion of…

A: Given, Number of households (n)=250  owed at least 1 blower (x)= 91 Point estimate or sample…

Q: What was the average price for a ticket to the Red Sox game in 2018? Team Ticket Other Drink Soft…

A: We have to find the average price for a ticket to the Red Sox game in 2018.

Q: Circle the error and fix the numbers in the two-way table. In a survey of 100 participants, 60…

A: Note:  We'll answer the first question, since the exact one wasn't specified. Please submit a new…

Q: Find the sample proportion, p-hat. When 410 college students were surveyed,150 said they own their…

A: Sample Proportion  :  If repeated random samples of a given size n are taken from a population of…

Q: A study published in 1990 attempted to estimate the proportion of Florida residents who were willing…

A: Population:   It is nothing but the set of all items that are required for the specific study is…