Is the sample size of survey is multiplied by 25, then by what factor is the margin of error multiplied by

Q: The manager chooses to systematically sample 300 employees out of 2700 employees in the factory. iv)…

A: It is given that Sample size n = 300 Population size N = 2700

Q: You are interested in knowing the proportion of Stormtroopers who are true clones. How many…

A: We have given that  Margin of error =E=2%=0.02 90% confidence.

Q: How many adults must be surveyed in order to be 95% confident that the sample percentage is in error…

A:

Q: A group of randomly selected members of Mothers' Club were asked how many kids they have. The table…

A: The most reasonable estimate for the number of mothers’ club members who have fewer than 2 kids is…

Q: In case of one sample test, if z = −2.17, then, P-value equals: (write 3 decimal places)

A: Given data: Z=-2.17

Q: For the raw scores of 8, 10, 17, 22, 6, 20, 21, 22, 19, 30 How to convert them to z scores?

A:

Q: You wish to take a random sample of 45 students from a population of 120 men and 100  women for the…

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Q: If a school has a total of 475 students. We want to extract a sample of 80. How can you explain in…

A: Note: Hey there! Thank you for the question. We have assumed “random sampling” to mean simple random…

Q: The number of times a student is on their cell phone in class last week is 10, 11, 9, 13, and 12.…

A: Solution: The given data is 10, 11, 9, 13 and 12.

Q: A fair die was rolled five times, then what are the results and all random samples of size n = 3?

A: The mean is the average of all the observation. It is denoted by the symbol μ. It is calculated…

Q: The denominator of one-sample z test is also known as ______.

A: we have to fill blank.

Q: Suppose you want to find a simple random sample of 75 questions out of the entire population of…

A: Here the entire population contains N = 3631 questions. A simple random sample of size n = 75…

Q: The names of all 152 students in a professor's class are written on identical slips of paper, and…

A: Simple random sample:  Every member and set of members have an equal chance of being included in the…

Q: en reported that 42.6 % of workers employed as purchasing managers are males. In a random sample of…

A: The sample proportion is calculated as: p^=xn=70200=0.35

Q: A political analyst would like to survey a sample of the registered voters in a county. The county…

A: Cluster Sampling : Suppose there are several groups present in the population. In Cluster sampling,…

Q: A balance used in an entomology lab to weigh grasshoppers is quite old and has been used for…

A:

Q: A TV news reporter says that a proposed constitutional amendment is likely to win approval in the…

A: Part b: Given: Sample size, n = 425                        Sample proportion, p^ = 0.52…

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

Q: A political scientist surveys 29 of the current 131 representatives in a state's congress. What is…

A:

Q: ppose that 97% of Monarch butterflies migrate to Mexico in winter. What is the smallest sample size…

A: Given data, 97% of Monarch butterflies migrate to Mexico in winter p=97%=0.97 What is the smallest…

Q: Two dies are rolled and the numbers of dots on the two dies are multiplied. Create a table showing…

A: Solution: Suppose two dice are rolled. Then, the sample space is

Q: how do you find random sample of 20 "items" from some population or process? And make the table with…

A: To find a random sample of size 20 from a population, we use simple random sampling. The simple…

Q: A political scientist surveys 47 of the current 120 representatives in a state's congress. What is…

A: Population: The population is the set of all subjects of interest. Sample: A sample is the subset of…

Q: ve bi

A: It would be better if we enquire with all students, when the strength of class students is little.…

Q: Suppose that a box contains 5 RED blocks, 4 BLUE blocks, and 3 GREEN blocks.  Suppose that 4 blocks…

A: Let X denote the number of red blocks in a box of 4 blocks drawn from a bag containing 5 red blocks,…

Q: only 10th , 11th and 12th grade students attend a high school the ratio of 10th graders to the…

A: Given information:The ratio of 10th graders to the school’s total population is 86:255.The ratio of…

Q: Is the sample size of survey is multiplied by 100, then by what factor is the margin of error…

A: Solution

Q: A company claims that only 4% of their products are defective. A random sample of 320 products is…

A: Given information- We have given that a company claims that only 4% of their products are defective.…

Q: A researcher plans to conduct a survey. If the population on High City is 1,000,000 find the sample…

A: To calculate the sample size (n) given the population size (N) and a margin of error (e), we use…

Q: II. Among 250 employees, of the local office of an international insurance company, 182 are whites,…

A:

Q: On election day, a local TV news organization stayed at three polling locations in Fairfield county…

A: Given:  The total number of votes for candidate A in the election for the US Senate seat are n=2790.…

Q: There are 30 boys and 20 girls in a class. If a teacher selects a sample of boys and girls as per…

A: Stratified Random Sampling: The population consists of N units which is divided into k relatively…

Q: 1 The sample size must be increased by a factor of to decrease the margin of error by a factor of 2…

A:

Q: A newspaper article about the results of a poll states: "In theory, the results of such a poll, in…

A: Margin of error = 0.05 Sample proportion = 0.99 z critical value at 0.05 is 1.96

Q: Select the correct response. For a research study, there are five options for the first question,…

A:

Q: in 1949, an organization surveyed 1100 adults and asked, 'Are you a total abstainer from, or do you…

A: Solution: Given information: n1=1100 Sample size of1949  adults  n2=1100 Sample size of recent…

Q: To estimate the population mean µ with a 85% error margin of 2.5 units, 10) one has determined that…

A:

Q: A researcher plans to conduct a survey. There are 15,400 students as target respondents, however due…

A:

Q: What is the Sum of Squares Formulas for Sample?

A:

Q: ATV news reporter says that a proposed constitutional amendment is likely to win approval in the…

A: From the given information we find the solution

Q: Suppose your research is about the female entrepreneurs in the Northern region of Pakistan (Hunza)…

A: Research is to be done on female entrepreneurs in Hunza and a sample has to be collected from the…

Q: Two women are going to give birth to one child each. Give the sample space of the possible outcomes…

A: Solution: From the given information, the gender of child (male, female) and blood group (A, B, AB,…

Q: when a single die is thrown, it has 6 outcomes since it has 6 faces. what is the sample space ?

A: Given,A single die is thrown once.

Q: The method of selecting a desirable portion from a population which describes the characteristics of…

A: Sampling: The population is estimated by using the technique of Sampling. A sample is selected from…

Q: A researcher will conduct a study on the economic situation of young people between the ages of…

A: A researcher will conduct a study on the economic situation of young people between the ages of…

Q: What is sample coefficients of variation

A: Measures of variability:The measure of variability or the measures of dispersion can be measured…

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 39 subjects. How…

A: Given information- We have given that we have to select 5 subjects from a group of 39 subjects. We…