An aerial survey of 4 plots were select by a SRS. The number of animals detected were 44, 55, 5, and 16. Careful examination of the photos of the first and third of the plots (selected by simple random subsample) revealed the actual presence of of 56 and 6 animals, respectively. The study area consist of 10 plots. Please estimate the total number of animals in the study by using ratio estimator, and find the standard error of the estimate.

Q: A survey of 350 people shows that 210 people have seen a movie in the last month. Find the sample…

A: The sample proportion (p̂) is calculated by dividing the number of people who have seen a movie in…

Q: If you want a poll to have a margin of error of 2.84%, how large will your sample have to be?

A:

Q: Suppose a researcher wants to estimate the population proportion of defective light bulbs. He took a…

A:

Q: In a recent survey of 100 new vegetarians, 74 said that their new

A: Given information: The sample size is 100. Out of 100 new vegetarians, 74 said that their new…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: What is the test statistic? Round your answer to three decimal places. Click…

A:

Q: A survey of 2390 musicians showed that 398 of them are left-handed. Find a point estimate for p, the…

A: We have find population left handed..

Q: based on the estimation what is the appropriate conclusion?

A: Let p be the population proportion of all people living in a certain region.Given that,sample…

Q: A researcher wishes to estimate the number of households with two cars. How large a sample is needed…

A:

Q: Provide a table that summarizes the different ways to estimate the population mean and the…

A: A Table that summarizes the different ways to estimate the population mean and the population…

Q: ate the proportion of households with two cars. How large a sample is needed in order to be 95%…

A: Following information is given: Confidence level = 95% Prior estimate of population proportion = 40%…

Q: A newspaper infographic titled "Baby's First Photo Reveal" summarized data from a survey of 1,000…

A: Answer is given by confidence interval.

Q: Will, an art student, randomly sampled oil paintings in a museum. He wanted to find out how many oil…

A: Given :  Margin of Error  (E) = 0.02 The proportion of paintings that were created using the color…

Q: In 1995, it was determined that 78% of US citizens supported a ban on household aerosols. Thinking…

A: To find: 1.Test statistics 2.p-value

Q: At the local college, a study found that students earned an average of 8.5 credit hours per…

A: Given, the average credit hour per semester is 8.5. The sample size is 127 students.

Q: A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which…

A:

Q: A quality-conscious disk manufacturer wishes to knoww the fraction of disks his company makes which…

A: Given, The no. of sample, n =5431 The number of defective, x = 4943

Q: What is an item in your house that has at least two different sized rectangles as cross-sections?

A: For a table, two rectangles meet at a line at the edges.

Q: To compare average birth weight between autistics and non-autistic school children from the same…

A: The objective is to find the appropriate test to compare average birth weight between autistic and…

Q: A survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone. Determine a…

A: Given that, In a survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone.

Q: A test question is good if it discriminates between prepared and unprepared students. The first…

A:

Q: Drowning in bathtubs is a major cause of death in children less than 5 years old. A random sample of…

A: We Have to find Estimate the percent of all parents of young children who use baby bathtubs.

Q: According to an article in Newsweek, the natural ratio of girls to boys is 100:105. In China, the…

A: It is been asked to test whether the percent of girls born in China is 46.7. The appropriate test to…

Q: Please match each of the research studies below to the following :  - Difference between means -…

A: In a research study, the parameter of interest is essentially based on the quantitative…

Q: A company wants to determine the frequency of the occurrence of invoice errors. Suppose that in a…

A:

Q: As a part of a class project, a teacher brings a jar of 200 jawbreakers of three different colors,…

A: Given that one student draws 30 jawbreakers from the jar, of which 9 are orange, 11 are red and 10…

Q: According to an article in Newsweek, the natural ratio of girls to boys is 100:105 . In China, the…

A: Given that, According to an article in Newsweek, the natural ratio of girls to boys is  100:105 . In…

Q: Suppose that I want to estimate the percentage of students who  love statistics in California. How…

A: Given information- Margin of error, E = 3% = 0.03 Confidence level, c = 90% Since nothing is known…

Q: Cloud seeding, a process in which chemicals such as silver iodide and frozen carbon dioxide are…

A: Given, two boxplots one for cloud seeding and the other for unseeded data.