An entertainment company surveyed 360 elementary school children and found that 153 of them idolized at least one professional wrestler. Obtain a point estimate for the proportion of all elementary school children who idolize at least one professional wrestler. Express your answer as a percentage rounded to one decimal place as needed.

Q: A survey was conducted to find if modern young people want to have many children. 453 young men were…

A: The margin of error formula is given as follows,  z = 1.96 using z-table as 95% confidence interval…

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: Population is the set of all objects of interest. For statistical studies, the complete population…

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A: It is given that 110 students at a college where 69 students said that they had completed their…

Q: Step 1 of 2: Suppose a sample of 726 suspected criminals is drawn. Of these people, 232 were…

A: Let p be the population proportion of people who were captured.Given that,No. of suspected…

Q: Suppose a sample of 158158 tankers is drawn. Of these ships, 135135 did not have spills. Using the…

A: It is given that, among 158 tankers 135 did not have spills.

Q: Find the pooled estimate for 21 = 54, x2 = 51, n1 = 186 and n2 = 181. Round your answer to the…

A: Given; x1=54x2=51n1=186n2=181 Pooled estimate for proportion is given as- p¯=x1+x2n1+n2

Q: 104 concert-goers at the Glass House in Pomona, California were asked if they know how to play an…

A: Here it is given that- Number of concert goers  = 104 Number of concert goers who can play an…

Q: 103 students at a college were asked whether they had completed their required English 101 course,…

A: It is given that, 103 students at a college were asked whether they had completed their required…

Q: quality conscious disc manufacturer wishes to know the fraction of disks his company makes which are…

A: Given Sample size =865 X=112

Q: A Pew Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given that  Total Number of adults about their use of smart watches and fitness trackers n = 4272…

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

Q: According to the results of a survey, 48% of 422 people indicated that American football is their…

A: We have given that Margin of error (E) = 2% = 0.02 When confidence level is not given by default we…

Q: A survey of 2390 musicians showed that 398 of them are left-handed. Find a point estimate for p, the…

A: We have find population left handed..

Q: The death rate per 100,000 for lung cancer is 7 among nonsmokers and 71 among smokers. The…

A: Given that: People with lung cancer among nonsmokers, R0=7 People with lung cancer among smokers,…

Q: According to the results of a survey,  32%  of  102  people indicated that American football is…

A: Consider the level of significance as 0.05. Computation of critical value:…

Q: A high school has 40 players on the football team. The summary of the players' weights is given in…

A: Given, Boxplot  of the high school football team.   According to box plot Min value = 152 Max value…

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: Suppose that the results of a survey show that 59% of people consider summer as their favorite…

A: Given information: The proportion of people consider summer as their favorite season is 59%. The…

Q: When 500 junior college students were surveyed,120 said that they have previously owned a…

A: When 500 junior college students were surveyed,120 said that they have previously owned a…

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: The sample size is The number of students reading above the eighth-grade level is . The objective is…

Q: 114 students at a college were asked whether they had completed their required English 101 course,…

A: 114 students at a college were asked whether they had completed their required English 101 course,…

Q: 25% of pitchers are left-handed. a survey of 80 pitchers showed 27 are left-handed. find the point…

A: Solution:Point estimate: The population parameter which is estimated by using sample statistic is…

Q: The New Yorker on March 29, 2010 James Surowicki wrote that the 25 million iPhones Apple sold in…

A:

Q: Five sisters named Taylor, Selena, Gigi, Kendall, and Zendaya were born in 1989, 1992, 2003, 2006,…

A: Five sisters named Taylor, Selena, Gigi, Kendall, and Zendaya were born in 1989, 1992, 2003, 2006,…

Q: Choose the correct answer below. O A. All the values within the margin of error are less than 50%. O…

A: Given:- The sample size (n = 1100) is large enough to compute the point estimate of the proportion…

Q: estimate the proportion of tenth graders reading at or below the eighth grade level. Ente

A: It is given thatThe total number of tenth graders =1265The number of students read above the eighth…

Q: A box contains 55 red cookies, 30 blue cookies, and  100 green cookies.  Find the relative frequency…

A: Given: Number of red cookies=55 Number of blue cookies=30 Number of green cookies=100   Total number…

Q: The higher education department of Holmes Institute recorded data on the number of students enrolled…

A: Step-by-step procedure to obtain side-by-side bar chart using EXCEL. Enter the above data in Excel.…

Q: To the nearest whole number, what percent of respondents did not choose Dominos or Marcos as their…

A: Given that: The frequency of each respondent's favorite pizza shop is recorded and shown in the…

Q: An assortment of coins contains 14 pennies, 16 nickels, 9 dimes, and 11 quarters. To three…

A: 1 penny = $0.01 1 nickel = $0.05 1 dime = $0.1 1 quarter = $0.25 Number of coins that have face…

Q: Find the best point estimate for the proportion of students at the college who have completed their…

A: A point estimate is defined as the single value that is calculated from the sample data to estimate…

Q: A group of researchers want to investigate the academic performance of the college students in…

A: Given that, N = 12000 Margin of error (e) = 0.05 The formula for calculating the sample size is,

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: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: Given n=716 x=279

Q: 256 math majors were asked whether they had completed theirscience requirement, and 97 said "yes".…

A:

Q: 88 students at a college were asked whether they had completed their required English 101 course,…

A: Given info: 88 students at a college were asked whether they had completed their required English…

Q: The state education commission wants to estimate the fraction of tenth-grade students that have…

A: Solution

Q: A survey found that about 49% of the people who work at an accounting firm take a company car pool…

A: Find the estimate number of the people and the actual number of people

Q: 134 students at a college were asked whether they had completed their required English 101 course,…

A: GivenTotal number of students (n)=134No.of students said "yes"(x)=72

Q: The wildfires on the West Coast have become increasingly more destructive over recent years. Among…

A: total span of california=100×106 acre california were consumed by fire=4,397,809 acre

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.