Use the given confidence interval to find the margin of error and the sample proportion.   ​(0.740​,0.766​)         E=enter your response here ​(Type an integer or a​ decimal.)

Q: Use the confidence interval to find the margin of error and the sample mean. (0.498,0.640) The…

A: Confidence interval is 0.498, 0.640 To find :  (i) margin of error (ii) sample mean Margin of error…

Q: d. FIND t a n = 10 for the 90% confidence interval for the mean. %3D

A: d. Given: n=10 α=0.1 The degrees of freedom is obtained as below: df=n-1=10-1=9 Critical value: The…

Q: Use the confidence interval to find the estimated margin of error. Then find the sample mean. A…

A: A confidence interval of population mean, µ, in terms of sample mean and margin of error, can be…

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given: Mean data is, 31 hours. The value of median is, 27.2 hours. Number of people turned ON…

Q: On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85,…

A: The z score formula is,

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

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Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: Place the following in order to show how you find the standard deviation. Take the square root of…

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Q: Given the spot speed of 20 vehicles on a certain traffic section. Use 8 classes. Determine: a. The…

A: Please find the explanation below. As asked by you, I have answered the questions (a) and (b).

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: We have provided simple data sets for you to practice the basics of finding measures of variation.…

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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: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

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Q: Use the confidence interval to find the margin of error and the sample mean.   (.364,0.500)

A:

Q: Use the confidence interval to find the estimated margin of error. Then find the sample mean. A…

A: To find the estimated margin of error and sample mean from the given confidence interval (2.3, 3.3)…

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.174,0.290) The…

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Q: he table shows kayden's quiz score for a semester. What are the mean and the standard deviation,…

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