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![la] Run but do not walk daily walk 13 165 Tun = 50-18 32 6 walk or nin daily (or both ) It is union of both eunts = 18 6 5 t](http://img.homeworklib.com/questions/a21fb5c0-8755-11eb-886a-7de31a188017.png?x-oss-process=image/resize,w_560)
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3.[9or 110 people surveyed who exercise regularly, 65 take a daily walk, 50 go for a...
A sample of 50 individuals are surveyed, and it is found that 10 of them regularly...
A sample of 50 individuals are surveyed, and it is found that 10 of them regularly take zinc supplements. How many individuals should we survey so that, with 94% confidence, the true proportion taking zinc can be estimated to within 3 percentage points? (Note: 3 percentage points is 0.03 since we write a proportion as lying between 0 and 1.)
1. A researcher predicts that someone who exercises regularly shou exercise at all. The different percentage...
1. A researcher predicts that someone who exercises regularly shou exercise at all. The different percentage of body fat than people who do not exercise ata researcher finds that a person who exercises regularly has a body of 13%. Does this percentage differ significantly from the population who do not exercise and have a body fat percentage of 20%? xercises regularly has a body fat percentage ntly from the population of people 1A. Was this a one-tailed or two-tailed test?...
An investigator theorizes that people who exercise regularly will have mean systolic blood pressure levels that...
An investigator theorizes that people who exercise regularly will have mean systolic blood pressure levels that are significantly different from those of people who do not participate in a regular exercise program. To test this idea, the investigator randomly assigns 21 subjects to an exercise program for 10 weeks and 21 subjects to a non-exercise comparison group. After ten weeks, the mean systolic blood pressure of subjects in the exercise group is 132 and the standard deviation is 10. After...
Will rate!! People who eat lots of fruits and vegetables have lower rates of colon cancer...
Will rate!!
People who eat lots of fruits and vegetables have lower rates of colon cancer than those who eat little of these foods. Fruits and vegetables are rich in "antioxidants" such as vitamins A, C, and E. will taking antioxidants help prevent colon cancer? A medical experiment studied this question with 864 people who were at risk of colon cancer. The subjects were divided into four groups: daily beta-carotene, daily vitamins C and E, all three vitamins every day,...
Solve for part b and e People who eat lots of fruits and vegetables have lower...
Solve for part b and e
People who eat lots of fruits and vegetables have lower rates of colon cancer than those who eat little of these foods. Fruits and vegetables are rich in "antioxidants" such as vitamins A, C, and E. Will taking antioxidants help prevent colon cancer? A medical experiment studied this question with 864 people who were at risk of colon cancer. The subjects were divided into four groups: daily beta-carotene, daily vitamins C and E, all...
7) 105 California residents were surveyed and asked about their employment status during the pandemic: 18...
7) 105 California residents were surveyed and asked about their employment status during the pandemic: 18 had lost their job during the Pandemic and 10 got furloughed. Of the people who got furloughed , 2 eventually lost their jobs. Think of it this way, 2 people got furloughed and lost their job. Note: There are two sets. a)(3 pts) Construct and fill in a Venn Diagram for this data b)(1pt) What percentage of people lost their job? c) (1pt) How...
Using R code: A researcher collects data on the relationship between the amount of daily exercise...
Using R code: A researcher collects data on the relationship between the amount of daily exercise a person gets and their percent of body fat. She is trying to see if exercise (X) can predict percentage of body fat (Y). The following data were recorded: Individual 1 2 3 4 5 Daily Exercise (min) (X) 10 18 26 33 44 % Fat (Y) 30 25 18 17 14 a. Draw a scatterplot that represents this data set with linear and lowess...
1. Let A be the set whose elements are the months of the year that begin...
1. Let A be the set whose elements are the months of the year that begin with the letter J. A = { } 2. Define a set that is empty. Let B be the set: _________________________________________________________________________ _________________________________________________________________________ 3. The following data was collected from a survey of 350 San Antonio residents Are you a Spurs fan? YES NO Male 204 19 Female 113 14 a. How many males were surveyed? b. How many spurs fans were surveyed? c. How...
A survey of 87 adults in America revealed the following information: • 39 believe that they...
A survey of 87 adults in America revealed the following information: • 39 believe that they have seen a unicorn • 31 believe Washington is still alive • 24 believe both of these things (A) [5 points] Let S be the set of people who were surveyed. Let A be the set of people who believe that Washington is still alive. Let B be the set of people who believe they have seen a unicorn. Fill in the Venn diagram below using...
Home work According to a regional Bar Association, approximately 62% of the people who take the...
Home work According to a regional Bar Association, approximately 62% of the people who take the bar exam to practice law in the region pass the exam. Find the approximate probability that at least 63% of 400 randomly sampled people taking the bar exam will pass. Answer the questions below: The sample proportion is 0.63. What is the population proportion? s & Tests 062 (Type an integer or a decimal. Do not round.) lan bok Because an approximate probability is...
1. A researcher predicts that someone who exercises regularly shou exercise at all. The different percentage of body fat than people who do not exercise ata researcher finds that a person who exercises regularly has a body of 13%. Does this percentage differ significantly from the population who do not exercise and have a body fat percentage of 20%? xercises regularly has a body fat percentage ntly from the population of people 1A. Was this a one-tailed or two-tailed test?...
Will rate!!
People who eat lots of fruits and vegetables have lower rates of colon cancer than those who eat little of these foods. Fruits and vegetables are rich in "antioxidants" such as vitamins A, C, and E. will taking antioxidants help prevent colon cancer? A medical experiment studied this question with 864 people who were at risk of colon cancer. The subjects were divided into four groups: daily beta-carotene, daily vitamins C and E, all three vitamins every day,...
Solve for part b and e
People who eat lots of fruits and vegetables have lower rates of colon cancer than those who eat little of these foods. Fruits and vegetables are rich in "antioxidants" such as vitamins A, C, and E. Will taking antioxidants help prevent colon cancer? A medical experiment studied this question with 864 people who were at risk of colon cancer. The subjects were divided into four groups: daily beta-carotene, daily vitamins C and E, all...
7) 105 California residents were surveyed and asked about their employment status during the pandemic: 18 had lost their job during the Pandemic and 10 got furloughed. Of the people who got furloughed , 2 eventually lost their jobs. Think of it this way, 2 people got furloughed and lost their job. Note: There are two sets. a)(3 pts) Construct and fill in a Venn Diagram for this data b)(1pt) What percentage of people lost their job? c) (1pt) How...
Home work According to a regional Bar Association, approximately 62% of the people who take the bar exam to practice law in the region pass the exam. Find the approximate probability that at least 63% of 400 randomly sampled people taking the bar exam will pass. Answer the questions below: The sample proportion is 0.63. What is the population proportion? s & Tests 062 (Type an integer or a decimal. Do not round.) lan bok Because an approximate probability is...
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