Describe about Margin of Error?

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: Explain how the Ratio Test works.

A: Assume the series on which Ratio Test has to be performed is,

Q: Suppose that the results of a survey show that 41% of people consider summer as their favorite…

A: Solution: The sample size formula is given as below: n = p*q*(Z/E)^2 We are given p = 0.41 q = 1 – p…

Q: Find the proportion of employees who take at least three personal days.

A: Given : Let random variable "X"  represent the number of personal days the employees take in a year…

Q: Your professor wishes to estimate the proportion of high school students enrolled in college-level…

A: Given: margin of error of 3.5 percent 99% confidenp p= 18.3%

Q: A five by seven rectangle is centered on a ten by ten square.  What percent of the square is covered…

A:

Q: Explain ratio test.

A: Solution:Ratio test

Q: What is the Margin of Error, E?

A: Since the sample size is small and population SD is unknown then we will use critical value based on…

Q: Estimate what percentage of the class received a B

A: Introduction: In a pie chart, the complete circle of 360 degrees indicates the complete, 100% of the…

Q: Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are…

A: According to the provided data, a biologist wants to estimate the percent of crabs in a certain area…

Q: a margin of error o

A: Given that  Annual starting salaries for college graduates with degree in business administration is…

Q: estimate for /25.5 . What is the error compared with the true value as found from a calculator?

A: Given Use the method of Theorem 3.2 to approximate √26 using the known value of √25 and an estimate…

Q: What is interval/ratio measurement?

A: Interval Scale is characterized as a numerical scale in which both the order of the variables and…

Q: (b) Without doing an actual calculation, explain why the margin of error is so small.

A: This is One Sample Proportional test . we are given that p=0.93 and n=155612

Q: An equilateral triangle is inscribed in a circle with a radius of 10in. if the area of the circle is…

A:

Q: What is the distance in miles between Sacramento CA and Las Vegas NV?

A: the distance in miles between Sacramento CA and Las Vegas NV is 564 miles (or) 908 kms

Q: What is the greatest possible error of a measurement taken to the nearest tenth of a meter?

A: What is the greatest possible error of a measurement taken to the nearest tenth of a meter?

Q: What is Margin of Error?

A: Margin of error: The margin of error is defined as a statistic that gives the amount of sampling…

Q: pil refinery is loca r 8 km east of th aline bow far do

A: The oil refinery is 3 km wide. The distance of pipeline from the oil refinery is 8 km. The diagram…

Q: Does the median of a trapezoid divide it into two regions of equal area?

A: Consider a trapezoid ABCD, where AB is parallel to CD:   Here,EF is the median. Let sides are:…

Q: Explain what is a margin of error. Provide an example from daily life.

A: A margin of error explains how many percentage points our statistic results will differ from the…

Q: What percent of trees are 85-89.9 ft tall? What percent of trees are at least 70 ft tall?

A:

Q: In April 2010, the Gallup Poll asked a random sample of 1327 adults, "Do you support the- Affordable…

A: From the information, The sample size is, n = 1327 The formula for calculating the margin of error…

Q: Why is the sum of the sum of six deviations -2, -1, -1, -1, 0, 5 when added =0?

A: Solution:It is one of the property of sample mean that the sum of deviations above average and the…

Q: Suppose that the results of a survey show that 46% of people consider summer as their favorite…

A: The following information is available in the question

Q: dents handed out 40 survey questionaires for 75.3% of the population. Determine the margin of error…

A: Given data,n=40p=75.3% =0.753Determine the margin of error of their conducted survey?

Q: A group of researchers want to investigate the academic performance of the college students in…

A: Given that, N = 12000 Margin of error (e) = 0.05 The formula for calculating the sample size is,

Q: What is Ratio Measures?

A: Ratio measure refers to the highest (most complex) level of measurement that a variable can possess.…

Q: Ted conducted a survey with a sample of 822 people. The measure of accuracy of his survey according…

A: Given: A survey is conducted by Ted. The sample number of people are n=822. An observation about the…

Q: approximately normally distributed. Is the company making acceptable light bulbs? Explain your…

A: HERE GIVEN  SAMPLE SIZE=n= 16 SAMPLE MEAN = X= 1015 HRS SAMPLE SD= s= 25 HRS df=n-1 = 16- 1 = 15…

Q: Explain about the Mean Difference Score.

A:

Q: Explain briefly about Multiple Sampling Plan?

A:

Q: According to the results of a survey, 40% of 396 people indicated that American football is their…

A: Given Data: p^=0.4 Let 'n' be the sample size Margin of Error=0.04   Let us assume level of…

Q: Suppose that the results of a survey show that 41% of people consider summer as their favorite…

A:

Q: How to find margin of error

A: Margin of error tells us that how much we can expect our survey results to reflect the views from…

Q: Find the length of the line segment shown below. Round answer to nearest hundredth. 4- -6 -5 -4 -3…

A:

Q: 4. What happens to the accuracy on the left margin?

A: A map is a graphical representation, for an established scale, of a part of the earth's surface,…

Q: Explain about Margin of Error?

A: Margin of error: Margin of error is a range of values that lie above and below the sample statistic…

Q: What is dfg?

A: Solution

Q: What does the margin of error for the estimate of a population proportion tell you?

A: The formula for margin of error can be written as:

Q: Is parameter proportion the same as statistical proportion. so lets say the statistical proportion…

A: it is given, statistical proportion =0.49

Q: determine the point estimate and the margin of error.

A:

Q: report says that the average amount of time a 10-year-old American child spends playing outdoors per…

A: Given report says that the average amount of time a 10-year-old American child spends playing…

Q: What does it mean to percentage a cross-tabulation table?

A: Given: Cross-tabulation: It is used to determine the association between the two variables.

Q: A business serves 33 customers with 60 staff to maintain a strong ratio of staff to guests. How…

A:

Q: In the 2016 presidential election, most Americans were inundated with poll results, all of which…

A: Margin of error:Margin of error is a range of values that lie above and below the sample statistic…

Q: What is the total area of the shaded regions

A:

Q: What is the area of the pizza ? und your answer to hundredths place. in?

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.