A survey of 1179 adults nationwide  asked what irks you most about The actions of other Motorist"The response was given tailgater was given by 796 people round to the nearest tenth of a percent

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Here we have to explain the given statement

Q: Kevin scored at the 70th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: Using a random sample of 3800 TV households, a media research company found that 50.3% watched the…

A:

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: A group of college DJs surveyed students to find out what music to play for their upcoming party.…

A:

Q: If you are told only that you scored in the 80th percentile, do you know from that description…

A: p-th percentile means that there are p% of the values are less than that value. Here, you scored in…

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: survey was given to 9090 high school students. They were asked if they preferred fiction or…

A: Given query is to find the percent of students in the survey,  prefer outdoor activities given they…

Q: 1. Out of the 16 questions on the test, suppose that you answered 14.25 questions correctly. What…

A: We have been given that out of 16 questions on a test you answered 14.25 correctly. We are first…

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Given Information:  The raw test scores ranged from 0 to 100. Nebraska, decided to give a…

Q: If I tell you that you scored at the 85th percentile know:

A: Here use definition of percentile  Percentile represents the how much data below or at that value…

Q: I want a 99% confidence within 2% for the true proportion of bald people in the US.  How many people…

A: Given that, Margin of error E=0.02 Confidence level is 99% Critical value: The two tailed z critical…

Q: On a reading examination given to 900 students, Elaine’s score of 602 was higher than the scores of…

A: Solution

Q: Kevin scored at the 70th percentile on a test given to 9940 students. How many students scored lower…

A: Given Kavin got 70 percentile. Total students are 9940.

Q: Kevin scored at the 60th percentile on a test given to 9920 students.How many students scored lower…

A: Given Kevin score = 60th percentile No. Of students = 9920

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

A:

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: Kevin scored at the 60th percentile on a test given to 9780 students. How many students scored lower…

A: Given that the percentile of Kevin is 60.This means 60% of the students will have score lower than…

Q: Among the 2302 respondents, 56 said they have more than five tattoos. What percentage of respondents…

A:

Q: Gap, Express, Zara, and America Online are just a few of the many companies interested in knowing…

A:

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: A researcher wants to determine what proportion of all high school students plans to attend…

A: Obtain the critical value at 90% confidence level:It is given that the margin of error is 0.02. The…

Q: On a placement examination, Rick scored lower than 1216 of the 12,870 students who took the exam.…

A: Consider the given: Total students = 12870Rick scored lower than 1216,So, Rick score is among top…

Q: You took the English achievement test to obtain college credit in freshman English by examination.…

A: General definition of pth percentile: For whole numbers p(where 1<p<99) , the pth percentile…

Q: If a person’s z score equals 2.08, what is their percentile?

A: Given info: The person’s z score equals 2.08.

Q: A state legislator wishes to survey residents of her district to see what proportion of the…

A: Answer:-  Given, Margin of error=7%=0.07 Confidence level=0.90 Let P=0.5 ( as we don't have sample…

Q: A sample consists of n = 16 scores. How many of the scores are used to calculate the range?

A:

Q: On a placement examination, Rick scored lower than 1228 of the 12,730 students who took the exam.…

A:

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: Obtain the sample size. The formula of sample size is, Obtain the area of probability in the right…

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

A:

Q: B. The average exam score for 10 students in a statistics class was 85. One student dropped the…

A: Given When n=10, average exam score for 10 students in a statistics x̄=85  When one student dropped…

Q: The Humane Society is interested in finding out how many households in America have at least one…

A: The provided information are: Confidence level = 95% = 0.95 Margin of error (E) = 4% =0.04 From the…

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A: Since Kevin scored 60th percentile, it means that Kevin's score is in the top 60 % of amongst the…

Q: On a reading test, Amelia’s score of 455 was higher than the scores of 4256 of the 7210 students who…

A: Number of data values less than 465= 4256 Total number of data values= 7210 Percentile=?

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Given,margin of error(E)=0.04Let us assume sample…

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

A:

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A:

Q: The mean score on a test is 75, the median score is 80, and the mode score is 85.  Pat got an 82.…

A: Given: The mean score on a test is 75, the median score is 80, and the mode score is 85.

Q: It is bleieved that the percent of convicted felons who have a history of juvenile deliquency is…

A: Solution: State the hypotheses Null hypothesis: That is, the percent of convicted felons who have a…

Q: 2. On a reading test, Amelia's score of 455 was higher than the scores of 4256 of the 7210 students…

A: Obtain the percentile for the Amelia’s score. The percentile for the Amelia’s score is obtained…

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: In fall 2014, 38% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: LetA - Percent math S A T score of less than 700 or more in all applicants.B – Percent math SAT…

Q: Keith has scored 99, 69, 58, 93, and 75 on his previous five tests. What score does he need on his…

A:

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: 55 % of 856 answered "YES" n= 856

Q: (a) What proportion of combined GRE scores can be expected to be over 163.4? (b) What proportion of…

A: mean = 150 s = 8.8

Q: A Pew poll taken in 2010 surveyed 830 people aged 18-29 and found that 166 of them had one or more…

A:

Q: A student answered 78 out of 100 homework questions correctly on the first try. What percent of…

A: Solution-: A student answered 78 out of 100 homework questions correctly on the first try. What…

Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…

A: Given Rene scored at the 84th percentile a test given to 12,600 students.   How many students scored…

Q: On a placement examination, Fatimah scored lower than 420 of the 980 students who took the exam.…

A:

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.