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1.Interpret a 90% confidence interval of (4.355, 4.445) for
1.Interpret a 90% confidence interval of (4.355, 4.445) for a population mean. 2.A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 200 of its alumni. Th… read more
Stevewh
Stevewh
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For Scott Only: Hi Scott, I got one thats times. Can you do
For Scott Only: Hi Scott, I got one that's times. Can you do it today or should we save it for tomorrow?… read more
Scott
Scott
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Master's Degree
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Find the minimum sample size N needed to estimate u for the
Find the minimum sample size N needed to estimate u for the given values c,s and E. c=.95, s=7.6, and E=2 N= You are given the sample mean and the sample standard deviation. Use this information to co… read more
Chirag
Chirag
Master's Degree
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if your not busy can you dot his for me and if you dont mind
if your not busy can you dot his for me and if you dont mind can u use two decimals places please Find the margin of error for the given values of c,s and n. c=.95, s=2.8, n=49 E= Construct the confid… read more
Ryan
Ryan
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Urgent!! Pressed for time. Need this within 30 mins. Interpret
Urgent!! Pressed for time. Need this within 30 mins. Interpret a 90% confidence interval of (4.355, 4.445) for a population mean. A nursing school wants to estimate the true mean annual income of its … read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
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1. (TCO 7) Interpret a 90% confidence interval of (4.355, 4.445)
1. (TCO 7) Interpret a 90% confidence interval of (4.355, 4.445) for a population mean. 2. (TCO 7) A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 200… read more
Scott
Scott
MIT Graduate
Master's Degree
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2. (TCO 6) The area under a normal curve with mu 8 and sigma
2. (TCO 6) The area under a normal curve with mu = 8 and sigma = 3 is (Points: 5) 0 1 2 none of these 1.Interpret a 90% confidence interval of (4.355, 4.445) for a population mean. (Points: 10) 2. (TC… read more
Chirag
Chirag
Master's Degree
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1. (TCO 6) In the standard normal distribution, the variance
1. (TCO 6) In the standard normal distribution, the variance is always (Points: 5) 0 1 2 none of these 2. (TCO 6) The area under a normal curve with mu = 15 and sigma = 2 is (Points: 5) 0 1 2 none of … read more
Scott
Scott
MIT Graduate
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to John P 1. Interpret a 90% confidence interval of (4.355,
to John P 1. Interpret a 90% confidence interval of (4.355, 4.445) for a population mean 2. A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 200 of its… read more
John
John
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2) construct the indicated confidence interval for the population
2) construct the indicated confidence interval for the population mean using a t-distribution. If you had incorrectly used a normal distribution, which interval would be wider? c= .90, x= 13.4, s= 2.0… read more
Osbert12
Osbert12
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1) A mchine cuts plastic into sheets that are 30 feet 9360
1) A mchine cuts plastic into sheets that are 30 feet 9360 inches) long. Assume that the population of lengths is normally distributed. The company wants to estimate the mean lenth the machine is cutt… read more
Osbert12
Osbert12
Master's Degree
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1) find the minimum sample size n needed to estimate u for
1) find the minimum sample size n needed to estimate u for the given values of c, s and E. c= 0.95, s= 5.5, E= 2 (round to nearest whole number) 2) You are given the sample mean and the sample standar… read more
abozer
abozer
Bachelor's Degree
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Find P(A or B or C) for the given probabilities. P(A) 0.38,
Find P(A or B or C) for the given probabilities. P(A) = 0.38, P(B) = 0.21, P(C) = 0.13 P(A and B) = 0.11, P(A and C) = 0.04, P(B and C) = 0.06 P(A and B and C) = 0.01 You are given the sample mean and… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
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1. Interpret a 90% confidence interval of (4.355, 4.445) for
1. Interpret a 90% confidence interval of (4.355, 4.445) for a population mean. 2. A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 200 of its alumni. … read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
3. An auditor wants to estimate what proportion of a banks
3. An auditor wants to estimate what proportion of a bank's commercial loan files are incomplete. The auditor randomly samples 60 files and finds 12 are incomplete. Using a 95% confidence interval, es… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
We wish to develop a confidnece interval for the population
We wish to develop a confidnece interval for the population mean. The shape of the population is not know, but we have a sample of 40 observations. We decide to use the 92% level of confidence. The ap… read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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) A standard IQ test has a mean of 98 and a standard deviation
) A standard IQ test has a mean of 98 and a standard deviation of 16. We want to be 90% certain that we are within 8 IQ points of the true mean. Determine the sample size. (Points: 5) 27 11 10 none of… read more
StatisticsExpert
StatisticsExpert
Asst. Professor
Doctoral Degree
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1. A standard IQ test has a mean of 98 and a standard deviation
1. A standard IQ test has a mean of 98 and a standard deviation of 16. We want to be 90% certain that we are within 8 IQ points of the true mean. Determine the sample size. 27 11 10 none of these 2. A… read more
Scott
Scott
MIT Graduate
Master's Degree
16,043 satisfied customers
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