ind the number of successes x suggested by the given​ statement:   From a​ CNN/USA Today/Gallup​ poll: Among 1299   survey​ subjects, 13.7 ​% say that the opinion of a celebrity would influence their own opinion. x​ =

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: GIVEN DATA,  n=971x=554P^=Xn=554971=0.5705CI=0.99α=1-0.99=0.01we have to find out the confidence…

Q: You want to determine if the graduation rate of different than the known national graduation rate.…

A: The researcher is interested to determine if the graduation rate of high-school students is…

Q: In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation…

A:

Q: The table to the right shows data found at a government census website, under a "Did All You Know"…

A: the correct answer would be:B. The information is distributed by an organization or individual.

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: You take a sample of the heights (in inches) of 12 professional basketball players. The data are:…

A: Given data: 79, 76, 77, 79, 81, 83, 79, 76, 78, 83, 87, 85.

Q: In 2010, the Pew Research Center questioned 1096 adults in the U.S. to estimate the proportion of…

A: Population :     Correct choice is (f) All adults in the U.S. Sample :      Correct choice is (e)…

Q: A sociologist surveyed 16 single senior citizens living in private apartments. Each participant…

A: we have to construct  frequency  table .

Q: What test will you use to investigate whether there is evidence to indicate that the average age of…

A: Here define which test use here in each parts one sample or two sample

Q: A thousand people were sampled and classified according to their smoking and alcohol consumption…

A: It is observed that the variables smoking and alcohol consumption status are categorical.

Q: How do you get online? A 2013 Pew Research survey of802 teens found that, among teens aged 12–17,…

A:

Q: A sample consists of the following n = 6 scores: -2, 3, -3, 1, -3, 4 What is the Z-score for the raw…

A: Given data set is -2,3,-3,1,-3,4sample size(n)=6

Q: In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation…

A: Sample Proportion The sample proportion describes the proportion of people during a sample with a…

Q: 12.10 What's the average? The Census Bureau website gives several choices for "average income" in…

A: The answer is explained as below

Q: With 79% of adults in a country believe there are aliens. You select 5 randomly. What is the average…

A:

Q: The table below summarizes the  results of a survey in which randomly selected people were asked how…

A: It is needed to test, whether the feelings on medical marijuana and gender are independent or not.

Q: Research Study:   The following data collected lists the typing speed as measured by a standard…

A: The regression equation is used for prediction analysis. It has two regressor coefficients, they are…

Q: A policeman believes that less than 40% of older drivers speed on highways, but a confidential…

A:

Q: ​Claim: Fewer than 92​% of adults have a cell phone. In a reputable poll of 1172 adults, 86​% said…

A: The hypotheses for the test are given below. Null hypothesis: H0: p = 0.92 Alternative hypothesis:…

Q: The sample mean is the point estimator of 18

A:

Q: f 200 flights, 1.5% were found to depart later than scheduled time. c. Is 1% a parameter or a…

A: Parameter = This defined as the fixed measure which describes the whole population. Statistic = It…

Q: ​Claim: Fewer than 95​% of adults have a cell phone. In a reputable poll of 1073 ​adults, 90​%…

A: Formula for Test statistic  Test statistic ( z ) z = ( p^ - p ) / ( √( p * ( 1 - p) / n) )

Q: n a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Formula : x¯ =x¯1 n1+x¯2 n2 + x¯3 n3n1+n2+n3

Q: Consider a survey in which 1000 people are asked “How often do you go to the dentist?”  The variable…

A: Given: Number of people that have been involved in the study = 1000

Q: Q10. The length of parts produced by which lathe machine satisfies the normality assumption based on…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: For one study, researchers sampled over 100,000 first-time candidates for the certified public…

A: Here in a one study, researchers sampled over 100,000 first-time candidates for the certified public…

Q: A sample of 276 people was surveyed. People are classified according to their political ideology…

A: Given Data : Number of right wing people = 47 + 25 + 19 = 91 Number of people who are indifferent…

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1096 adults, 85said that…

A:

Q: a) Calculate the margin of error for the proportion of all U.S. adults who think things are on the…

A: It is given that  Proportion for wrong track, p = 75% = 0.75 Sample size, n = 1997 Confidence level…

Q: recent study has shown that approximately 31.6% of Canadians are considered 'supertasters,' or…

A:

Q: 12.2.84 The number of successes and the sample size for a simple random sample from a population are…

A: Note:  Hey, since multiple questions are posted, we will answer first question for you. If you want…

Q: A researcher wishes to see if there is a difference in the number of stories in the tall buildings…

A:

Q: Suppose you plan to conduct among 2,500 Grade 12 students enrolled in the stem Track. How many…

A:

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A: Given data:   To calculate: 1. Average (mean ) 2.Median

Q: ​Claim: Fewer than 91​% of adults have a cell phone. In a reputable poll of 1119 adults, 83​% said…

A:

Q: 2. For Americans using library services, the American Library Association claims that at most 70% of…

A: Given: The random sample of patrons selected are n=100. The number of patrons who borrowed books are…

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.