A survey of 425 randomly selected students at one university found that 300 students think they there is not enough parking on campus. Find the 95% confidence interval for the proportion of all students at this university who think your solution is inequality or interval.

Q: A survey found that 73% of a random sample of 8344 American adults approved of cloning endangering…

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Q: (a) Number of successes x= 135 (b) n = 640 (c) Probability of success p'= 0.21 (d) Probabilty of…

A: Given that  135 of the 640 96% confidence interval

Q: A biologist is studying fish diversity Lake Erie. The biologist knows that Black Carp are an…

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Q: A famous scientist, Mendel, conducted a genetic experiment with peas. A sample from this experiment…

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Q: A new drug for migraine headaches has been introduced to the market. You would like to know if…

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Q: *Telephone surveys have an advantage over personal interview surveys in that they are less costly.…

A: *Telephone surveys have an advantage over personal interview surveys in that they are less costly.…

Q: A survey of 700 non-fatal accidents showed that 167 involved uninsured drivers. Construct a 99%…

A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?

Q: The Malayo Colleges Mindanao recently conducted a study analyzing the privacy management habits of…

A: Given,n=116x=80p^=xnp^=80116=0.68971-p^=1-0.6897=0.3103α=1-0.90=0.1α2=0.05Z0.05=1.645      (from…

Q: A sample of 80 respondents was taken to determine whether the clients of an internet provider are…

A: Given that  Sample size (n) = 80 Respondents satisfied with the service (x) = 60 Sample proportion…

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

A: Given Information Total Students(n) = 140 No of students who have completed their English course(x)…

Q: The Malayo Colleges Mindanao recently conducted a study analyzing the privacy management habits of…

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Q: In a study of 120 randomly selected families, 50 said they streamed their television content. Find…

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Q: Many high school students take the AP tests in different subject areas. In one year, of the 144,241…

A: given data  n1 = 144241   x1 = 84000p^1 = x1n1 = 84000144241 = 0.5824 n2 = 211725    x2 = 122644 p^2…

Q: A recent study of 85 workers found that 61 people rode the bus to work each day. Find the 95%…

A: Given that  A recent study of 85 workers found that 61 people rode the bus to work each day. Find…

Q: Jane wants to estimate the proportion of 13 students on her campus 4 who eat cauliflower. After…

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Q: A pollster wanted to predict the upcoming results of the 2020 presidential elections in a local…

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Q: Out of a sample of 500 adults aged 18 to 30, 150 still lived with their parents. Based on this,…

A: We have given that,  Sample size (N) = 500 Number of favorable cases (X) = 150 Then,  We will find…

Q: Researchers often create multiple 95% confidence intervals based on a given data set. For example,…

A: Level of Significance: In testing of hypothesis, Level of Significance is the probability of…

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: A survey of 50 randomly chosen students, 10 of them have a surfing board. Create a 99% confidence…

A: Given n = 50           x = 10  therefore, p=xn                    = 0.2 X ~ B (n, p) P(X=x) = Cxn…

Q: how would i do 19 b with a 95% confidence interval***** not 90%

A: Given Information B) Sample Mean(M) = 77.2 Sample Standard Deviation = 5.7 Sample size(n) = 9…

Q: A sample of 175 U.S. adults is composed of 100 women and 75 men. What is the estimate of the true…

A: Given problem Given that

Q: A researcher wants to estimate the actual proportion of citizens of a certain country who feel that…

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Q: 82 adults selected randomly from one town, 66 have health insurance. Find a 90% confidence interval…

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Q: A firm randomly samples 100 workers at its New York plant and finds that 32% of the workers say that…

A: The proportion of workers who say that they buy the firm’s product is 0.32.

Q: lution is incorrect since the  confidence level is 90% margin of error is 3%

A: Given: Confidence level = 0.90 Margin of error (E) = 0.03 Assumed sample proportion  p^     = 0.50

Q: A researcher wanted to compare the percentages of men and women who play the lottery.  They randomly…

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Q: A group of researchers is interested in middle school students and their willingness to appear to…

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Q: A drug company has developed a new over the counter medicine intended to provide relief from…

A: Given that 90 of the 120 patients experienced pain relief.Let X=90 and n= 120Consider, the sample…

Q: Wildlife biologist inspect 153 deer taken by Hunter's and find 32 of them carrying Lyme disease…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The results of a recent Pew Research Center survey revealed that 326 of 798 Republicans polled and…

A: We have given that,  X1 = 326, N1 = 798 and X2 = 107, N2 = 966 Then,  We will find the 95%…

Q: A recent study by the McGraw-Hill company showed that 61% (1621) of college students use their…

A: Given, Proportion of college students use their smartphones for study = 0.61Total number of students…

Q: A Pew Research Center survey of 1,857 internet users found that 1,124 people agreed that online…

A: Given: CI=95% p^=11241875=0.599 n=1875

Q: A poll showed that 385 out of 700 adults said they would be interested in traveling to outer space…

A: This question requires accurate results, Hence I will use excel to solve this question.…

Q: A research poll of 1501 adults showed that 1051 of respondents believe in global warming. Find a 98%…

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Q: The American Heart Association is about to conduct in anti smoking campaign and wants to know the…

A: Solution: Out of a sample of 1421 Americans over 35, 412 smoke.  Sample size: n = 1421 The number of…

Q: Nearly one-half of Americans ages 25 to 29 are unmarried. How large a sample is necessary to…

A: The provided information is The margin of error is E=0.02 α=0.05 The critical value is zc=1.96…

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.