The standard deviation of a normally distributed population is equal to 10. A sample size of 25
Question:
a. Find an 80% confidence interval for m.
b. What would the 80% confidence interval be for a sample of size 100?
c. What would be the 80% confidence interval for a sample of size 25 with a standard deviation of 5 (instead of 10)?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (16 reviews)
a Step 1 The mean Step 2 a normality indicated b z 10 c 1 080 Step ...View the full answer
Answered By
David Muchemi
I am a professional academic writer with considerable experience in writing business and economic related papers. I have been writing for my clients who reach out to me personally after being recommended to me by satisfied clients.
I have the English language prowess, no grammatical and spelling errors can be found in my work. I double-check for such mistakes before submitting my papers.
I deliver finished work within the stipulated time and without fail. I am a good researcher on any topic especially those perceived to be tough.
I am ready to work on your papers and ensure you receive the highest quality you are looking for. Please hire me to offer my readily available quality service.
Best regards,
4.60+
27+ Reviews
61+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
The middle 60% of a normally distributed population lies between what two standard scores?
-
What is the standard deviation of a sampling distribution called?
-
The standard deviation of a foreign asset in local currency is = 8.5 percent, and the standard deviation of the exchange rate is s = 5.5 percent. a. If the correlation between the asset return, in...
-
Computer Technologies provides maintenance service for computers and office equipment for companies throughout the Northeast. The sales manager is elated because she closed a $300,000 three-year...
-
An expert sharpshooter misses a target 5 percent of the time. Find the probability that she will miss the target for the second time on the fifteenth shot using (a) The formula for the negative...
-
On recent vacation trips to Juarez, Mexico, you noticed retail stores and street vendors selling inexpensive digital cameras. (The photo stores also sold brand-name digital cameras at close to U.S....
-
The strategy of viral marketing gets customers to sell a product to other customers on behalf of the company. That often means convincing your friends to climb on the bandwagon, and sometimes you get...
-
You have recently been hired by Piepkorn Manufacturing to work in its newly established treasury department. Piepkorn Manufacturing is a small company that produces cardboard boxes in a variety of...
-
1. Jane Ranch bought a tractor for $5000. Jane has decided that she could only afford to pay $1,000 per month. Calculate the balance outstanding at the end of month two. Use the U.S. Rule. The...
-
A slab of polymer 1.6 cm thick, originally at 30C, is heated between steel plates with a surface temperature of 70C. The density of the solid is 950 kg/m 3 , its thermal conductivity is 0.12 W/m K,...
-
Population requirement for primary hip-replacement surgery: a cross-sectional study was conducted by the University of Bristol in the United Kingdom. The findings resulted in the following...
-
The weights of full boxes of a certain kind of cereal are normally distributed with a standard deviation of 0.27 oz. A sample of 18 randomly selected boxes produced a mean weight of 9.87 oz. a. Find...
-
In Exercises which of the statements are true about the function y = (x) graphed there, and which are false? 0 (a) lim f(x) = 1 (c) lim_ f(x) = 1 (e) lim f(x) exists x-0 (g) lim f(x) = 1 1-01 (i) lim...
-
Estimate the crystalline size of a given nanomaterial using powder XRD data: peak position 20= 30, FWHM of Sample = 2.8 k=0.88, = 1606 A b) Explain how the absorbance depends on different type of...
-
Explain how programmed I/O is different from interrupt driven I/O. What is polling?
-
Despite having secured good grades in FINN 100 and FINN 200, your mother, who happens to be a doctor at National Hospital, still does not trust you on financial matters. You recommend her to seek...
-
Briana is trying to decide whether to take a job or stay in school for an extra year to get her master's degree. She has two job offers, one paying $56,000 and one paying $66,000. If she stays in...
-
What is the function of the kernel of an operating software?
-
Problems 2736 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. Solve:...
-
The executor of Gina Purcells estate has recorded the following information: Assets discovered at death (at fair value): Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
-
An independent golf equipment testing facility compared the difference in the performance of golf balls hit off a regular 2-3/4" wooden tee to those hit off a 3'' Stinger Competition golf tee. A...
-
Anthropologists are still trying to unravel the mystery of the origins of the Etruscan empire, a highly advanced Italic civilization formed around the eighth century B.C. in central Italy. Were they...
-
Samples of adolescent offspring of diabetic mothers (ODM) and nondiabetic mothers (ONM) were taken by N. Cho et al. and evaluated for potential differences in vital measurements, including blood...
-
A liquid of density 1110 kg/m flows with speed 2.69 m/s into a pipe of diameter 0.28 m. The diameter of the pipe decreases to 0.05 m at its exit end. The exit end of the pipe is 8.48 m lower than the...
-
An investor can buy a tract of farmland today that he believes will sell for $50,000.00 in eight years. His required rate of return for this type of investment is 12% per annum compounded monthly....
-
If you started a simple business of washing windows, what do you feel would be your fixed costs? ( Please have current values for costs, when available )
Study smarter with the SolutionInn App