Calculus and Above

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Need to construct the 95% confidence interval for the mean
Need to construct the 95% confidence interval for the mean (12.11) number of year of education. Can you assist? … read more
Sandhya_sharma
Master's Degree
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A doctor wants to estimate the HDL cholesterol of all​ 20-
A doctor wants to estimate the HDL cholesterol of all​ 20- to​ 29-year-old females. How many subjects are needed to estimate the HDL cholesterol within 3 points with 99 % confidence assuming sigma equ… read more
Sandhya_sharma
Master's Degree
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Use the given degree of confidence and sample data to
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.When 319 college students are randomly selected and surveyed, it is found that 120… read more
Ryan
Bachelor's Degree
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I CANT SEEM TO COPY AND PASTE FOR THIS SITE... ANY
I CANT SEEM TO COPY AND PASTE FOR THIS SITE... ANY SUGGESTIONS? … read more
GLENN GILONGOS
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Working on homework for statistics the question is construct
Working on homework for statistics the question is construct the confidence interval for the population mean u , c= 0.90, x 4.6, q= 0.5, n=54 A 90% confidence interval for u is (. , ) (round to the de… read more
GLENN GILONGOS
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I dont understand how to do this question The claim is that
I dont understand how to do this question The claim is that the white blood cell counts of adult females are normally​ distributed, with a standard deviation equal to 2.022.02. A random sample of 3737… read more
Math-John
30 satisfied customers
This one is a little different. I was given a data set and I
This one is a little different. I was given a data set and I don't know what I'm supposed to do with it yet but I'm assuming I need to find p value, upper and lower bounds, and pretty much anything yo… read more
Ryan
Bachelor's Degree
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That same question - among others - is a question I have to
That same question - among others - is a question I have to answer! … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Glenn Need Help w/ 6 Stats Problems Please 1. Why is a 99%
For Mr Glenn Need Help w/ 6 Stats Problems Please 1. Why is a 99% confidence interval wider than a 95% confidence interval? 2. A person claims to be able to predict the outcome of flipping a coin. Thi… read more
GLENN GILONGOS
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1. A random sample of 92 observers produced a mean X = 25.8
1. A random sample of 92 observers produced a mean X = 25.8 and a standard deviation s = 2.6. a) Find a 95% confidence interval for 11. b) Find the 90% confidence interval for Jl c) Find the 99% confi… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
FOR RYAN1. The probability distribution shown here describes
FOR RYAN 1. The probability distribution shown here describes a population of measurements that can assume values of 0,2,4, and 6 each of which occurs with the same relative frequency. X 0 2 4 6 P(x) … read more
Ryan
Bachelor's Degree
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"For Guru2009 only" 1. A random sample of fifty-five 200-meter
"For Guru2009 only" 1. A random sample of fifty-five 200-meter swims has a mean time of 3.98 minutes and a standard deviation of 0.06 minutes. Construct a 905 confidence interval for the population me… read more
Chirag
Master's Degree
10,329 satisfied customers
Please help with these 17 questions!! 1. Find the margin of error for the given values of c,s,and n. c=0.90,s=2.9,n=100 2. Construct the confidence interval for the population mean u. c=0.98,x=8.4,s=0… read more
Chirag
Master's Degree
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Problems I am stuck on my homework with: 1.With regards to
Problems I am stuck on my homework with: 1.With regards XXXXX XXXXX standard normal distribution complete the following: (a) Find P(z > 0), the percentage of the standard normal distribution above … read more
Trigeoscal
College Math Professor
Master's Degree
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A marketing manager at a local university want to estimate
A marketing manager at a local university want to estimate within \$20 the average amount that student on campus spend on school labeled sweatshirts per year and be confident within 99 He estimates tha… read more
Chirag
Master's Degree
10,329 satisfied customers
16. In a survey of 630 males ages 18-64, 391 say they have
16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
Sandhya_sharma
Master's Degree
3,121 satisfied customers
1) Notice (from the margin of error measurment below) that
1) Notice (from the margin of error measurment below) that we have used a sample size larger than needed in order to be sufficiently confident that the sample mean would estimate the population mean h… read more
Chirag
Master's Degree
10,329 satisfied customers
Thank you for your assistance I have a population of 50
Thank you for your assistance: I have a population of 50 and test 5 and all pass what is my reliability at what confidance level Same for a population of 100 and sample of 10 Same for a population of … read more
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