According to the Business and Financial Times newspaper, through January 25, 2018, majority of companies listed on the Ghana Stock Exchange reporting profits had beaten estimates. A sample of 162 companies showed 104 beat estimates, 29 matched estimates, and 29 fell short. What is the point estimate of the proportion that didn't beat their estimated profit? A. 0.179

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

A: Total students = n = 110,  Number of students completed English 101 course = x = 81.

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

A: Given information: Total number of students at a collage(n)=100. Number of students say "yes"…

Q: In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: Let A be the event that student had Math SAT of 700 or more Therefore, PA=0.36 find The probability…

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, x=28n=200 Point estimate: p^=xn=28200=0.14

Q: 109 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: When 345 HS students were surveyed, 125 said that they completed a driver's education class prior to…

A:

Q: 99 students at a college were asked whether they had completed their required English 101 course,…

A: The point estimate of population proportion is sample proportion.

Q: Americans who believe the government should ensure basic health care is _________% with a margin of…

A:

Q: 1. Reports show that four out of five teenagers asked for a cell phone for Christmas this year. Use…

A:

Q: Nielsen media research determined the precise proportion of all Americans watching the super bowl by…

A: Population is the set of all objects of interest. Sample is a subset of the population. A sample is…

Q: Form a sample of 500 items,30 were found to be defective. The point estimate of the population…

A:

Q: What is the estimate of the common population proportion?

A: To find: The estimate of common population proportion

Q: The median yearly salary for a police dispatcher in a large city was $44,528. If the 25th percentile…

A: a. The median yearly salary for a police dispatcher in a large city was $44528.

Q: Is it possible to provide a meaningful interpretation of the estimate b0?

A: The independent variables are 'weekly income x1' and 'family sizex2' and the dependent variable (y)…

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

A:

Q: A company has the pay scales below, with the percent of employees receiving that pay listed. Find…

A: Let n be the number of employees.

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: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: In fall 2014, 36% of applicants with a Math SAT of 700 or more were admitted by a certain…

A:

Q: 129 students at a college were asked whether they had completed their required English 101 course,…

A: The point estimate of population proportion is sample proportion.

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

A: Given : x = 92  n = 138

Q: 130 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: a nutritionist wishes to determine, within 3% the true proportion of adults who do not eat lunch. if…

A:

Q: Calculate a point estimate for the proportion of all MVCC students that have brown eyes. Do not…

A: A random sample eye colors collected from a group of 40 MVCC students are considered in which there…

Q: 138 students at a college were asked whether they had completed their required English 101 course,…

A: Consider that p is the true proportion of students at the college who have completed their required…

Q: A uSa today/CNN/Gallup survey of 369 working parents found 200 who said they spendtoo little time…

A: It is given that the number of parents said they spend too little time with their children because…

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

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

Q: 1. Use the results of the simulation to approximate the margin of error for Javier's estimate of the…

A: Here we have to calculate margin of error Assuming the confidence Interval = 95% Sample Size  = 500…

Q: What is the margin of error for a poll with a sample size of 1450 people? If you round the answer to…

A: We know that   Margin of error  for a pole with n people is given by   Margin of error=±100n

Q: 94 students at a college were asked whether they had completed their required English 101 course,…

A: We have given that the total number of students at a college, n = 94 favourable number of cases, X =…

Q: 1(a). What is the point estimate for the proportion of people who liked the chocolate bar?

A: here use given data

Q: "he Investment Research Institute reported in its Mutual Fund Fact Book that the number of mutual…

A: see hand written solution

Q: The Investment Research Institute reported in its Mutual Fund Fact Book that the number of mutual…

A: Given,         The no.of mutual funds increased         from 5665 in 1999 to 7903 in 2009.

Q: Estimate the following percentages without using a calculator. 10.1% of 7,800 is  0.99% of 83,583…

A: Percentage= (value ×percent)/100

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

A:

Q: In a pharmaceutical company, the proportion of injection bottles found defective were 0.2, 0.1, 0.8,…

A:

Q: A die with six sides is rolled three times. What is the chance that the ace (single dot) comes up…

A:

Q: a hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. if…

A: To calculate the minimum sample size require to be 95% sure that margin of error will fall within 4…

Q: 133 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: You are interested in conducting a study to determine the proportion of Thunder Bay high school…

A:

Q: In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: All the given data is shown in the tree diagram

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

Q: 140 students at a college were asked whether they had completed their required English 101 course,…

A: Here given that, Sample size is n= 140 And we need to find proportion for 83 students.  So x= 83

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

A: From the provided information, the total students of collage (n) = 114The number of students who…

Q: If the proportion of Hs is .25 out of 200 flips, what is the p-value? Round

A: Here proportion of head in fair coin should be 0.5 So take hypothesis with proportion p is 0.5 or…

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.