For a data set obtained from a sample, n = 20 and x. It is known that

Question:

For a data set obtained from a sample, n = 20 and x̅. It is known that σ = 3.1. The population is normally distributed.

a. What is the point estimate of µ?

b. Make a 99% confidence interval for µ.

c. What is the margin of error of estimate for part b?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introductory Statistics

ISBN: 9780470904107

8th Edition

Authors: Prem S. Mann

See More Books

Question Posted: Aug 25, 2015 08:07 AM

See More Questions

For a data set obtained from a sample, n = 81 and . It is known that = 4.8. a. What is the point estimate of ? b. Make a 95% confidence interval for . c. What is the margin of error of estimate for...
It is known that steroids give users an advantage in athletic contests, but it is also known that steroid use is banned in athletes. As a result, a steroid testing program has been instituted and...
A stock price is currently $25. It is known that at the end of two months it will be either $23 or $27. The risk-free interest rate is 10% per annum with continuous compounding. Suppose S T is the...
The data in CPU reflect the annual values of the consumer price index for all urban consumers (CPI-U) in the United State over the 54-year period 1965 through 2018, using 1982 through 1986 as the...
Is Craig's plan ethically acceptable? [Adding the addicting nicotine-like additive]
The quantity, in gallons, of water in a tank after t minutes is w = f(t). After 20 minutes, the tank has 50 gallons of water and the quantity is increasing at 3 galmin. Fill in the blanks: (a)...
Using the notation of Exercise 4, assume that $\sum_{i=1}^{n} 1 / r_{i}=1$, but try to find a solution where one of the $\alpha_{k}$ 's is zero. In particular, suppose the segments are ordered in...
Foghorn Leghorn is considering the replacement of an old egg-sorting machine used with his Foggy's Farm Fresh Eggs business. The old ,egg machine is not quite running eggs actly the way it was...
float f; int i; scanf("%f %i", &f, &i); What will be the values stored in f and i after scanf statement if following values are entered 12.5 1 12 45 12 23.2 12.1 10 12 1 Write a program to verify...
Is the value of s dependent on the angle of inclination? Explain
A company that produces 8-ounce low-fat yogurt cups wanted to estimate the mean number of calories for such cups. A random sample of 10 such cups produced the following numbers of calories. Construct...
An insurance company selected a sample of 50 auto claims filed with it and investigated those claims carefully. The company found that 12% of those claims were fraudulent. a. What is the point...
How would you support the argument that the invisible hand of the market Adam Smith envisioned is not neutral because our hands are not equal?
According to the Heckscher-Ohlin model, when trade opens: A. the scarce factor gains relative to the abundant factor in each country. B. the abundant factor gains relative to the scarce factor in...
Identify the benefits of good customer service and customer retention.
What is operating income?
What are the primary differences between direct and indirect costs?
Germany has much more capital per worker than Portugal. In autarky each country produces and consumes both machine tools and wine. Production of machine tools is relatively capital intensive whereas...
For the parabola y 2 = 4ax, the line segment joining the two points (a, 2a) and (a, 2a) is called the ___________ ____________ .
Cleaning Service Company's Trial Balance on December 31, 2020 is as follows: Account name Debit Credit Cash 700 Supplies Pre-paid insurance Pre-paid office rent Equipment Accumulated depreciation -...
The scatterplot in Fig. 28 compares the sizes of peoples heads with the weights of their brains. Let h be the size (in cubic centimeters) of a persons head, and let w be the weight (in grams) of the...
In an experiment of 40 college soccer players (20 women and 20 men), the total distance each participant could cover in three single-leg hops was recorded. The players also jumped vertically, and...
The numbers of cremations in the United States are shown in Table 18 for various years. Let p be the percentage of bodies that are cremated in the year that is t years since 1990. a. Construct a...
You are a senior manager within a large organisation. Your role is to provide the organisation with the strategic vision of this business unit that meets organisational objectives. 1.1: ...
Does a grade point average (GPA) score truly reflect academic ability? Is it reliable and valid? Does a student's first year GPA predict his or her final year GPA?
With the help of a diagram, explain the UNIX system components. ?

For a data set obtained from a sample, n = 20 and x. It is known that

Question:

Step by Step Answer:

n 20 x 245 31 and x n 3120 693181...View the full answer

Introductory Statistics

Students also viewed these Statistics questions