Homework Answers
The random sample found in the Lucas county.
And the confidence interval have been found for the population proportion.
Population parameter:
d. Proportion of people on welfare in America.
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The national figure for the percent of Americans on welfare is around 20%....
PLEASE ANSWER CLEARLY Question Completion Status: One sample proportion summary confidence interval: P: Proportion of successes...
PLEASE ANSWER CLEARLY
Question Completion Status: One sample proportion summary confidence interval: P: Proportion of successes Method: Standard-Wald 95% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit р 68 285 0.23859649 0.025247422 0.18911245 0.28808053 a. Identify the 95% confidence interval for this given scenario. a. 18.9% < < 28.8% o b. 18.9% < < 28.8% 18.9% < X < 28.8% C 95% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit...
Height 180 170 160 150 140 There are no severe outliers within height. 2. Produce the 5-number su...
Can I get help for questions 6,7,11,12,13,14,15,16,17,18 and
20.
Height 180 170 160 150 140 There are no severe outliers within height. 2. Produce the 5-number summary for Height using the filtered sample. Minimum Value: 140 Q1: 153 Median: 162 Q3: 169 Maximum Value: 186 3. Provide the Normal QQ plot for your sample with the outliers removed Do you think the plot provides evidence for normality? Looking at the plot, I do believe that this does provide evidence for...
all parts, show work please a) We wish to estimate what percent of adult residents in...
all parts, show work please a) We wish to estimate what percent of adult residents in a certain county are parents. Out of 200 adult residents sampled, 152 had kids. Based on this, construct a 95% confidence interval for the proportion ?? of adult residents who are parents in this county. Give your answers as decimals, to three places. _____ < ? < _____ b) Out of 200 people sampled, 150 preferred Candidate A. Based on this, estimate what proportion...
please show wll work 4. [20 Points! The time required for an automotive center to complete...
please show wll work
4. [20 Points! The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 17 minutes and a standard deviation of 2 minutes. (a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive the service for hall.price. What percent of customers receive the service for half-price? (b)...
Although older Americans are most afraid of crime, it is young people who are more likely to be t...
Although older Americans are most afraid of crime, it is young people who are more likely to be the actual victims of crime. It seems that older people are more cautious about the people with whom they associate. A national survey showed that 10% of all people ages 16-19 have been victims of crime.† At Jefferson High School, a random sample of n = 66 students (ages 16-19) showed that r = 9 had been victims of a crime. Note:...
please answer abc show your work figure 6.1 7.31 Tree diameter confidence interval. A study of...
please answer abc
show your work
figure 6.1
7.31 Tree diameter confidence interval. A study of 584 longleaf pine trees in the Wade Tract in Thomas County, Georgia, is described in Example 6.1 (page 352). For each tree in the tract, the researchers measured the diameter at breast height (DBH). This is the diameter of the tree at a height of 4.5 feet, and the units are centimeters (cm). Only trees with DBH greater than 1.5 cm were sampled. Here...
A Waist is a Terrible Thing to Mind: The waist circumference of males 20 to 29...
A Waist is a Terrible Thing to Mind: The waist circumference of males 20 to 29 years ele is approximately normally distributed, with mean 92.5 cm and standard deviation 13.5 Source: M.A. McDowell. CD. Fryar.R. Hirs for Children and Adults: U.S. Population. 1999-2002. Advance data from vital and health statistics: No. 361. Hyattsville, MD: National Center for Health Statistics, 2005. d CL. Ogden, Anthropometric Reference Data 5. Draw a normal curve with the parameters labeled. 92.5 What proportion of 20-...
photos for each question are all in a row (1 point) In the following questions, use...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
I want answer those question, please help me.
1. Short answer only.a. Suppose that we tell you that we flipped a coin multiple times and it landed heads 75% of the time. Would you be reasonably convinced that this was not a fair coin (where “fair” means that the coin has a .5 probability of landing “heads”)? If so, explain why. If not, describe what additional information you would ask for and explain why it is necessary.b. A college professor asked students in his class to report how...
explaim the mechanisms amd toxological effects if type 1 diabetes in this article Exposure to arsenic...
explaim the mechanisms amd toxological effects if type 1
diabetes in this article
Exposure to arsenic in drinking water is associated with increased prevalence of diabetes. We previously reported an association of diabetes and urinary concentration of dimethylarsinite (DMAS"), a toxic product of arsenic methylation by arsenic (+ 3 oxidation state) methyltransferase (AS3MT). Here we examine associations between AS3MT polymorphism, arsenic metabolism and diabetes. Fasting blood glucose, oral glucose tolerance and self-reported diagnoses were used to identify diabetic individuals. Inorganic...
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Question Completion Status: One sample proportion summary confidence interval: P: Proportion of successes Method: Standard-Wald 95% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit р 68 285 0.23859649 0.025247422 0.18911245 0.28808053 a. Identify the 95% confidence interval for this given scenario. a. 18.9% < < 28.8% o b. 18.9% < < 28.8% 18.9% < X < 28.8% C 95% confidence interval results: Proportion Count Total Sample Prop. Std. Err. L. Limit...
Can I get help for questions 6,7,11,12,13,14,15,16,17,18 and
20.
Height 180 170 160 150 140 There are no severe outliers within height. 2. Produce the 5-number summary for Height using the filtered sample. Minimum Value: 140 Q1: 153 Median: 162 Q3: 169 Maximum Value: 186 3. Provide the Normal QQ plot for your sample with the outliers removed Do you think the plot provides evidence for normality? Looking at the plot, I do believe that this does provide evidence for...
please show wll work
4. [20 Points! The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 17 minutes and a standard deviation of 2 minutes. (a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive the service for hall.price. What percent of customers receive the service for half-price? (b)...
please answer abc
show your work
figure 6.1
7.31 Tree diameter confidence interval. A study of 584 longleaf pine trees in the Wade Tract in Thomas County, Georgia, is described in Example 6.1 (page 352). For each tree in the tract, the researchers measured the diameter at breast height (DBH). This is the diameter of the tree at a height of 4.5 feet, and the units are centimeters (cm). Only trees with DBH greater than 1.5 cm were sampled. Here...
A Waist is a Terrible Thing to Mind: The waist circumference of males 20 to 29 years ele is approximately normally distributed, with mean 92.5 cm and standard deviation 13.5 Source: M.A. McDowell. CD. Fryar.R. Hirs for Children and Adults: U.S. Population. 1999-2002. Advance data from vital and health statistics: No. 361. Hyattsville, MD: National Center for Health Statistics, 2005. d CL. Ogden, Anthropometric Reference Data 5. Draw a normal curve with the parameters labeled. 92.5 What proportion of 20-...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
explaim the mechanisms amd toxological effects if type 1
diabetes in this article
Exposure to arsenic in drinking water is associated with increased prevalence of diabetes. We previously reported an association of diabetes and urinary concentration of dimethylarsinite (DMAS"), a toxic product of arsenic methylation by arsenic (+ 3 oxidation state) methyltransferase (AS3MT). Here we examine associations between AS3MT polymorphism, arsenic metabolism and diabetes. Fasting blood glucose, oral glucose tolerance and self-reported diagnoses were used to identify diabetic individuals. Inorganic...
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