A 97% confidence interval for proportion is found to be (.221,.623) the margin of error is what

Q: You want to obtain a sample to estimate a population mean. based on previous evidence, you believe…

A: Answer: From the given data, Margin of error (ME) = 1.6 Standard deviation(σ) = 19.7 95% confidence…

Q: se the confidence interval to find the margin of error and the sample mean.   (0.656,0.800)…

A:

Q: Out of 300 people sampled, 276 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Use the confidence interval to find the margin of error and the sample mean. (0.142,0.300) The…

A:

Q: You want to obtain a sample to estimate a population mean. based on previ evidence, you believe the…

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (0.228,0.390) The…

A: Given, C.I is (0.228,0.390) Margin of error(E)=?

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

A: The sample proportion for college men said that they participate in intramural sports is,…

Q: A class of 30 62.171 students took a quiz worth 50 points. The standard deviation of the scores was…

A: Standard deviation of sample is given by

Q: Why do you use the sample standard deviation formula to get .04, rather than using the normal…

A: The question is why we are using  formula to find standard deviation instead of .Please note that we…

Q: A random sample of 120 adults showed that 42 are already fully vaccinated. What is the best point…

A: Given X:The no.of adults fully vaccinated X=42 n:Sample Size  n=120 We have to find best point…

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.056,0.180)…

A: Given confidence interval  (0.056,0.180) calculate Margin of error and sample mean

Q: Find the margin of error if the sample proportion is 0.37 and the sample size is 300. on Consider…

A: Margin of error is the error due to random sampling. The margin of error decreases with increase in…

Q: Use the confidence interval to find the margin of error and the sample mean. (0.572,0.710) The…

A: The confidence interval is (0.572, 0.710).

Q: se the confidence interval to find the margin of error and the sample mean. (0.458,0.600) he margin…

A: The given confidence interval is (0.458,0.600)

Q: People were polled on how many books they read the previous year. Initial survey results indicate…

A: The required sample size is calculated by using the formula: The critical value for 90% confidence…

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: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Margin of error (E) for proportion is defined as below                                E = Width2…

Q: How much does the fat content of Brand X hot dogs vary? To find out, researchers measured the fat…

A: Let Y: Fat content of Brand X hot dogs n=10 Given that 95% Confidence interval(CI) for population…

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

A: n=47, sample mean =111.62, standard deviations=11.42

Q: Use the confidence interval to find the margin of error and the sample mean. (0.614,0.790

A: Given, Lower limit=0.614 Upper limit=0.790 margin of error=?

Q: You want to obtain a sample to estimate a population mean. based on previous evidence, you believe…

A: Answer: Using the given data, Population standard deviation (σ) = 19.3 Margin of error (E) = 1.3 For…

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.342, 0.460) The…

A: Here we have given confidence interval to find the margin of error and the sample mean.  As (0.342,…

Q: Q15 The systolic blood pressures (in mmHg) of a random sample of adults have been recorded. A 95%…

A: Given that  95% confidence interval is (100, 125) Margin of error =E  Sample mean =X̄

Q: The standard deviation on your last test was 10. The average was a 70. The distribution had a normal…

A: To find out what percentage of the class scored between 60 and 80, we need to utilize the properties…

Q: Gabriel is studying the difference in time in seconds it takes a rat to get through a maze with and…

A: Given, The confidence interval for the difference between the times: [−7.14,−6.98][-7.14,-6.98]…

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.676,0.800)

A: The margin of error is the most common term which we use in a confidence interval. It is the degree…

Q: Use the confidence interval to find the margin of error and the sample mean. (0.264,0.420) ......…

A: Given confidence interval is(0.264  ,  0.420)

Q: You take a sample (N = 9) of heights of fifth graders. The sample mean was 49, and the sample…

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Q: Out of 600 people sampled, 534 had kids. Based on this, construct a 95% confidence interval for the…

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Q: The U.S. Department of Transportation reported with 96% confidence that the average length of a…

A: Suppose the random variable x defines the length of a randomly selected motor vehicle trip.It is…

Q: Use the confidence interval to find the margin of error and the sample mean. (12, 20) O E = 4, X =…

A: confidence interval for mean : (12,20)

Q: Determine the margin of error. It has been determined with 95% confidence that the proportion of…

A: Given: 95% confidence interval is (0.78, 0.82) So, Lower limit = 0.78 Upper limit = 0.82

Q: Suppose that you are preparing to construct a 98% confidence interval for the population mean.  You…

A: Given Data : Sample Size, n = 27 Sample Mean, x̄ = 29.5 standard deviation,…

Q: Use the confidence interval to find the margin of error and the sample mean (0.586,0.730) The margin…

A: Given that,Confidence interval = (0.586, 0.730)

Q: Use the confidence interval to find the margin of error and the sample mean. (0.614,0.690)     The…

A: Given lower limit=0.614 Upper limit=0.690 The margin of error is ?   The sample mean is?

Q: You plan to build a 95% confidence interval estimate of the mean of a large population. You want a…

A: Givenconfidence level=95%Margin of error(E)=10standard deviation(σ)=200

Q: The uncertainty associated with a confidence interval for the true proportion of a population is…

A:

Q: Explain the empirical rule in your own words. How many standard deviations would it take for you to…

A: Empirical rule:About 68% of data lies within the first standard deviation of the mean.

Q: Out of 600 people sampled, 30 had children under the age of 18. Based on this, construct a 99%…

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.