A study done by researchers at a university concluded that 70​% of all student athletes in a country have been subjected to some form of hazing. The study is based on responses from 1300 athletes. What is the margin of error and the​ 95% confidence interval for the​ study?       The margin of error is nothing. ​(Round to four decimal places as​ needed.) Find the​ 95% confidence interval.   nothing

Q: Suppose a 95% confidence interval for a population proportion is found using the theory-based…

A: given data  95% ci for p  using theory based method. what it contains defenately from given options?…

Q: A random sample of  46  four-year-olds attending day care centers provided a yearly tuition average…

A: Solution

Q: Suppose​ that​ 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: we have given that sample size =n=2307 ,sample proportion =p^=18%=0.18

Q: A June 2020 Angus Reid poll of 1510 Canadian adults found that 53% support the idea of a 30 hour…

A: Given Data: p^=0.53n=1510   z-value corresponding to 95% Confidence level=1.96

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A:

Q: na survey, 25 people were asked how much they spent on their child's last birthday gift. The results…

A: Given data,

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A: Given,sample size(n)=50sample mean(x¯)=3.1standard deviation(S)=16.9degrees of freedom…

Q: The high price of medicines is a source of major expense for those seniors in the United States who…

A: The sample mean is 4200. Sample standard deviation, s is 900. The sample size, n is 1100.

Q: In a survey,  17 people were asked how much they spent on their child's last birthday gift. The…

A: The mean is 49 and the standard deviation is 11.

Q: Discuss the differences between confidence and probability when referring to a confidence interval.…

A: Statisticians use confidence intervals to measure uncertainty in a sample variable. confidence level…

Q: Death penalty: A group claims that the overall feelings of the general population on the death…

A: The objective of this question is to construct a 95% confidence interval for the proportion of…

Q: In a survey of 2263 adults, 742 say they believe in UFOS. Construct a 95% confidence interval for…

A:

Q: Use the data about the sample to calculate a 95% confidence interval for the average income of…

A: 1. The conditions for using t-distribution are: Sample size is small. Population standard deviation…

Q: 61 students are asked in a survey how many hours they work during a week. Their responses have a…

A: The random variable X follows normal distribution. The sample size is 61. The sample mean is 24. The…

Q: A poll reported that only 502 out of a total of 1685 adults in a particular region said they had a…

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

Q: Smoking Survey National statistics show that 23% of men smoke and 18.5% of women do. A random sample…

A: Solution: Given information: n1= 145x1=33p^1=x1n1=33145=0.23n2=114x2=12p^2=x2n2=12114=0.105

Q: When solving a problem related to one sample and the confidence interval of variance. Which table…

A:

Q: interval at a 95% confidence level. Give your answers to one decimal place. Interpret your…

A: Given : Sample Size, n = 18 Sample Mean, x̄ = 35 sample standard…

Q: ool graduates, and ask them their annual incomes. They give you an average income of $35,000 per…

A: As the population standard deviation is known, we will use z distribution. The value of z at 95%…

Q: p'= α %4 || Margin of Error: E We are 87% confident that the proportion of Americans who feel that…

A:

Q: You are given the sample mean and the population standard deviation. Use this information to…

A: Mean()=108.78standard deviation()=10.26sample size(n)=36

Q: Almost all employees working for financial companies in New York City receive large bonuses at the…

A:

Q: Using the dot plot from your link, count how many of the data values lie within the confidence…

A: Using the information given in the first image, we will answer the questions given in the second…

Q: How much more likely are college men than college women to participate in intramural sports?  A…

A: Given information: Number of college men surveyed, n1=688 Number of college women surveyed, n2=579…

Q: A researcher conducts a study to see if a new work policy affects employee job satisfaction at a…

A:

Q: one with a 95% confidence level and the other with a 99.7% confidence level. Which interval is…

A: Confidence interval is probability, which refers that population parameter will fall within set of…

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 14 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: You would like to construct a 99% confidence interval to estimate the population mean score on a…

A: Solution: Let X be the score. From the given information, x-bar=485 and S=70. Here, it needed to…

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A: As per given by the question, There are 25 people were asked how much they spent on their child's…

Q: In a survey, 15 people were asked how much they spent on their child's last birthday gift. The…

A: The sample mean is 32 and standard deviation is 14.

Q: Almost all employees working for financial companies in New York City receive large bonuses at the…

A: Here we have,   sample size : n = 63sample average bonus: x¯ = $50,000sample standard deviation : s=…

Q: You measure 37 textbooks' weights, and find they have a mean weight of 73 ounces. Assume the…

A: From the provided information, Sample size (n) = 37 Sample mean (x̅) = 73 Population standard…

Q: /hat is the 95% confidence interval for this sample mean? to 82.0 to 67.4 to 82.9 to 67.6

A: As the population standard deviation is known, we will use z distribution. The critical value z at…

Q: Suppose you survey a random sample from a large population to understand the population proportion.…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Obtain…

Q: Several years ago, 50% of parents who had children in grades K-12 were satisfied with the quality of…

A: Given Data Sample Size, n = 1105 Number of successes, x = 491.0 confidence…

Q: magine that you conduct a study and estimate that the prevalence of hypertension among employees of…

A: From the provided information, Sample proportion (p̂) = 0.24 Margin of error for a 95% confidence…

Q: A student randomly selects 10 paperbacks at a store. The sample standard deviation is $1.50.…

A: Solution To find confidence interval we will use chi square distribution.

Q: Translate the statement into a confidence interval. Approximate the level of confidence. In a…

A: Given Information:  In a survey of 3674 adults in a​ country, 48​% believe the economy is getting…

Q: Translate the statement into a confidence interval. Approximate the level of confidence. In a survey…

A: The confidence interval proportion is obtained below: From the given information, the proportion…

Q: ou are given the smaple mean and the population m standard deviation. Use this info to construct the…

A:

Q: In a survey of 6700 T.V. viewers, 3350 said they watch network news programs. Find the margin of…

A: n = 6700 x = 3350  p̂ = x/n = 3350/6700 = 0.50Confidence level (c) = 99% = 0.99Significance level…

Q: In a survey, 23 people were asked how much they spent on their child's last birthday gift. The…

A: Given that,  23 people were asked how much they spent on their child's last birthday gift.  Sample…

Q: Tina catches a 14-pound bass.  She does not know the population mean or standard deviation.  So she…

A: From the provided information, The data values are as follow: 9, 12, 13, 10 and 10 Sample size (n) =…

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A: given data,n=30bell shaped distribution μ=47σ=6CI=0.80we have to find out the confidence interval…

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.