A survey of 120 fatal accidents showed that in 24 cases the driver at fault was inadequately insured. Determine the point estimate for p, the population proportion of accidents where the driver at fault was inadequately insured (round to nearest hundredth)

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: An entertainment company surveyed 360 elementary school children and found that 153 of them were…

A: There are 153 out of 360 (n) elementary school children found as above grade level readers. The…

Q: A poll found that 78 people out of a survey of size 109 watch at least three hours of TV per day…

A: Given data, n=109 x=78 sample proportion p=?

Q: A survey is conducted to determine the opinions of people on global warming. In a random sample of…

A:

Q: A recent survey of 537 California college students found that 481 had taken an online class in the…

A:

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

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: 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: In a sample of 4972 car owners, 2326 said that they would seriously consider purchasing an…

A: Given  n=4972, X=2326 Point estimate=p^

Q: A survey of 2310 adults in a certain large country aged 18 and older conducted by a reputable…

A: Given information- We have given that in a survey of 2310 adults in a certain large country aged 18…

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: 135 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: 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: a. Out of a random sample of 74 birds, how.many would you expect to live longer than 9 years? b.…

A: Let X = number of years a bird lives.  Then, X ~ Exponential (0.125) Thus,  f(x) = 0.125e-0.125x .

Q: A random sample of 2,000 driver's license applications found that 17% reported their eye color as…

A: Solution: Given information: n= 2000 Sample size  p^= 0.17 Sample proportion Assumed Confidence…

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

A:

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

A:

Q: Recently, 18.3% of visitors to the Travelocity website hailed from the Google search engine. A…

A: It is given that Sample size n = 130 Population proportion p = 18.3% = 0.183

Q: A researcher studying the proportion of 8 year old children who can ride a bike, found that 219…

A: Given: n= 567 ,x= 219.0 Need to find sample proportion.

Q: Twenty-five samples of 100 items each were inspected when a process was consideredto be operating…

A: The given information is that twenty-five samples of 100 times are inspected. In the 25 samples, the…

Q: A random sample of 260 workers in a high rise office building revealed that 30% were very satisfied…

A: Let the proportion of workers who are satisfied with the quality of work be p^ p^ = 0.30 (point…

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: Using the data, estimate the proportion of this that are defective.

A: Here given A quality conscious disc manufacturer wishes to know the fraction of disks his company…

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

A: The point estimate of the population proportion is the sample proportion. The formula for point…

Q: Addmissions officer sampled 124 entering freshmen and found that 35 of them scored less than 530 on…

A: According to the provided information, x=35 n=124

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

A: Given : x = 92  n = 138

Q: A November 2018 Gallup Poll of 1075 U.S. adults found that 627 are satisfied with the total cost…

A:

Q: To study the mean blood pressure of all people in her state, Christine samples the population by…

A:

Q: A footwear retailer sold 12 pairs of sneakers for $45 each, 11 pairs of leather shoes for $140 each,…

A:

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: ple of 1000 Americans, it was discovered that 920 of them lived in neighborhoods with acceptable…

A: The point estimate (sample proportion) of the sample of size n can be defined as: p^=xn  Here, x =…

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: 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: 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: ) 32 randomly picked people were asked if they rented or owned their own home, 8 said they rented.…

A: Given that, n=32 x=8 Point estimate (p)=?

Q: A survey of 400O non-fatal accidents showed that 189 involved the use of a cell phone. Determine a…

A:

Q: In order to study the mean blood pressure of people in his town, Richard samples the population by…

A: We know that stratified sampling involves dividing the population into groups and randomly selecting…

Q: A poll found that 83% of people out of a survey of size 127 watch at least three hours of TV per…

A: Given: A poll found that 83% of people out of a survey of size 127 watch at least three hours of TV…

Q: A poll found that 70 people out of a survey of size 127 watch at least three hours of TV per day…

A: Given  sample size n = 127 X : Number of people watch tv at least three hour per day X = 70

Q: A survey of 2322 adults in a certain large country aged 18 and older conducted by a reputable…

A: Solution: Let X be the number of adults in the country aged 18 and older who have donated blood in…

Q: 86 students at a college were asked whether they had completed their required English 101 course,…

A: Point Estimate of Population proportion (P) = p^ = xn

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: The manager of a city recreation center wants to estimate the percent of city residents who favor a…

A: The confidence interval for the population proportion (single sample) is obtained by using the…

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: A poll found that 71% of people out of a survey of size 130 watch at least three hours of TV per…

A: From the given information,   A poll found that 71% of people out of a survey of size 130 watch at…

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

A:

Q: Fifty people are selected randomly from a certain population and it is found that 12 people in the…

A: Sample size = n = 50 Sample number of events = x = 12 Sample proportion = p̂ = x/n = (12/50) =…

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.