A random sample of size 20 yields = 3.13 and s2 = 1.45. Calculate a confidence
Question:
a. 0.99
b. 0.98
c. 0.95
d. 0.90
e. 0.80
f. What assumptions were necessary to establish the validity of the confidence intervals calculated in parts a through e?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 55% (9 reviews)
a 313 07703 23597 39003 b 313 06838 24462 38138 c 313 ...View the full answer
Answered By
Ongeri cosmas
Am Ongeri Cosmas a graduate from Egerton University in 2017 with Bachelors of Science in Education Sciences (Biology and chemistry). I had a second class upper division after studying for four years, I chose teaching profession because in my desire to change the face of the community by helping the young one on education matters. More importantly, I joined this profession because am of the class of thought that education in every possible way is one of the fundamental factors of development. I strongly believe educating the society is the most powerful weapon one can use to transform the world.
0.00
0 Reviews
10+ Question Solved
Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
Question Posted:
Students also viewed these Statistics questions
-
A random sample of size 81 has sample mean 20 and sample standard deviation 3. (a) Is it appropriate to use a Students t distribution to compute a confidence interval for the population mean ?...
-
A survey of 21 business intelligence analysts, who had been in their current positions from 10 to 20 years, revealed $90,734 as the average salary.14 Assume a random sample with a standard deviation...
-
A random sample of 24 observations is used to estimate the population mean. The sample mean and the sample standard deviation are calculated as 104.6 and 28.8, respectively. Assume that the...
-
What is the one greatest strength of a pluralistic society? What is the one greatest weakness? Do these characteristics work for or against business?
-
One of these pairings of histogram with normal quantile plot shows data that have been rounded. The other shows the same data without rounding. The rounding in the example is similar to the rounding...
-
A financial services company conducted a survey of a random sample of its customers. One of the items on the survey was as follows:"The staff at my local branch can provide me with good advice on my...
-
Use the gasoline mileage data in Table B. 3 and compute the condition indices and variance-decomposition proportions, with the regressors centered. What statements can you make about...
-
Managers should be rewarded only on the basis of their performance measures. They should be paid no salary. Do you agree? Explain.
-
Why should you follow a systematic decision-making process? Assume you've worked through the contents of this course, can you see the benefits?
-
On January 4, 20X7, Pradeesh Corp. acquired 100% of the outstanding common shares of Serena Inc. by a share-for-share exchange of its own shares, valued at $1,000,000. The statements of financial...
-
Arco Manufacturing makes electronic pagers. As part of its quality efforts, the company wishes to estimate the mean number of days the pager is used before repair is needed. A pilot sample of 40...
-
A random sample of 25 sport utility vehicles (SUVs) of the same year and model revealed the following miles per gallon (mpg) values: Assume that the population for mpg for this model year is normally...
-
Crews of operators at a company that services and drills natural gas wells work twelve-hour shifts for seven consecutive days, followed by seven days off. The operators were scheduled to work from...
-
The highest WACC is 11%, the baseline WACC is 7.4% and lowest WACCS is 2.8%. To derive a WACC that better accounts for extreme scenarios, you decide to assign the following probability weights: High-...
-
China's giant property developer Country Garden has been declared in default on its debt after failing to make a bond repayment by a final deadline of October 18. A panel of global banks and...
-
Assessing Roche Publishing Company's Cash Management Efficiency Lisa Pinto, vice president of finance at Roche Publishing Company, a rapidly growing publisher of college texts, is concerned about the...
-
After that Nike Inc. dismissed a handful of male executives for behavioral problems in recent months, some media reports linking the exits to the #MeToo movement and its revelations of harassment and...
-
Describe two financial ratios likely to be utilized by the financial manager to analyze the company's strengths and weaknesses
-
Let u 1 and u 2 be as in Exercise 19, and let It can be shown that u 4 is not in the subspace W spanned by u 1 and u 2 . Use this fact to construct a nonzero vector v in R 3 that is orthogonal to u 1...
-
Show that every group G with identity e and such that x * x = e for all x G is abelian.
-
Refer to the Southern Economic Journal (Apr. 2008) study of Ph.D. programs in economics, Exercise. The authors also made the following observation: A noticeable feature of this skewness is that...
-
With mound-shaped data, what proportion of the measurements have z-scores between 3 and 3?
-
Suppose a data set consisting of exam scores has a lower quartile QL = 60, a median M = 75, and an upper quartile QU = 85. The scores on the exam range from 18 to 100. Without having the actual...
-
Using Fourier Transforms, solve the following integral Equation for ((t) f (t) - ( ( ( t -u) ue - 2 u H (u) du = foo_flt -4t e H(t)
-
Q1: what is the net operating income under the variable and absorption cost system. A: ACER company Product sales: 1,000 units at $10 each Variable manufacturing costs: $5.50 per unit Fixed...
-
Solve for 2 and graph the solution on the number line below. 245x+9 or 5x +9 69
Study smarter with the SolutionInn App