A random sample of size n = 144 yielded p = .76. a. Is the sample size
Question:
A random sample of size n = 144 yielded p̂ = .76.
a. Is the sample size large enough to use the methods of this section to construct a confidence interval for p̂? Explain.
b. Construct a 90% confidence interval for p.
c. What assumption is necessary to ensure the validity of this confidence interval?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 80% (10 reviews)
a The sample size is large enough if both np 15 and nq 15 b np 144...View the full answer
Answered By
Asim farooq
I have done MS finance and expertise in the field of Accounting, finance, cost accounting, security analysis and portfolio management and management, MS office is at my fingertips, I want my client to take advantage of my practical knowledge. I have been mentoring my client on a freelancer website from last two years, Currently I am working in Telecom company as a financial analyst and before that working as an accountant with Pepsi for one year. I also join a nonprofit organization as a finance assistant to my job duties are making payment to client after tax calculation, I have started my professional career from teaching I was teaching to a master's level student for two years in the evening.
My Expert Service
Financial accounting, Financial management, Cost accounting, Human resource management, Business communication and report writing. Financial accounting : • Journal entries • Financial statements including balance sheet, Profit & Loss account, Cash flow statement • Adjustment entries • Ratio analysis • Accounting concepts • Single entry accounting • Double entry accounting • Bills of exchange • Bank reconciliation statements Cost accounting : • Budgeting • Job order costing • Process costing • Cost of goods sold Financial management : • Capital budgeting • Net Present Value (NPV) • Internal Rate of Return (IRR) • Payback period • Discounted cash flows • Financial analysis • Capital assets pricing model • Simple interest, Compound interest & annuities
4.40+
65+ Reviews
86+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
A random sample of size n = 30 was drawn from a population of size N = 300. The following measurements were obtained: a. Estimate μ with an approximate 95% confidence interval. b....
-
A random sample of size n from an exponential population is used to test the null hypothesis = 0 against the alternative hypothesis = 1 > 0. Use the Neyman-Pearson lemma to find the most powerful...
-
A random sample of size n is drawn without replacement from an urn containing r red chips and w white chips. Define the random variable X to be the number of red chips in the sample. Use the...
-
(a) An n n matrix K is the encryption matrix for the Hill cipher. Give the encryption formula. (b) The plaintext is (2, 5, 1,0). Encrypt it (show your work and the ciphertext) using the Hill cipher...
-
Federal Express enters into contracts with independent truck operators who offer FedEx service and who are rewarded by the volume of packages they carry. Why doesnt FedEx buy more trucks and hire...
-
The reaction below can be used as a laboratory method of preparing small quantities of Cl 2 (g). If a 62.6 g sample that is 98.5% K 2 Cr 2 O 7 by mass is allowed to react with 325 mL of HCl(aq) with...
-
Consider temperature measurement in a gas stream using the thermocouple junction described in Problem 7.66 ( \(D=2 \mathrm{~mm}, \varepsilon=0.60\) ). If the gas velocity and temperature are \(2...
-
What accounting problem arises if an internal service fund is operated at a significant profit? What accounting problem arises if an internal service fund is operated at a significant loss?
-
Managing employees with personal problems can be a delicate and challenging task. As a manager, it's important to approach these situations with empathy, understanding, and professionalism. It is...
-
Wu Manufacturing produces two keyboards, one for laptop computers and the other for desktop computers. The production process is automated, and the company has found activity-based costing useful in...
-
If p is near 0 or 1, how large a sample is needed to employ the large-sample confidence interval procedure?
-
A random sample of 50 consumers taste-tested a new ^ snack food. Their responses were coded (0: do not like; 1: like; 2: indifferent), recorded and saved in the SNACK file as follows: a. Use an 80%...
-
In February 2014, Ceramic Crucibles of America was notified by the state of Colorado that the state was investigating the companys Durango facility to determine if there were any violations of...
-
Consider a circular cylinder of infinite span in a hypersonic flow. Using newtonian theory, show that the drag coefficient based on cross-sectional area perpendicular to the flow is \(4 / 3\).
-
An individual who stays up so late that he feels sick the next day is: a. rational b. irrational c. not an economic individual d. cannot tell from the information given
-
Why do servomotors produce less torque at high speeds with the same current?
-
Consider a sphere in a hypersonic flow. Using newtonian theory, show that the drag coefficient based on cross-sectional area is equal to 1 .
-
The study of growth in Mexicos level of living is an example of: a . macroeconomics b . microeconomics c . political science d . consumer behavior
-
About how much of the total time and money spent on a project should be devoted to the project initiation and planning study?
-
Simplify the expression. Assume that all variables are positive. 23VI1 2 V44 8
-
Determine the time-dependent displacement for the beam shown in Figures P10.32. Foe-at L L FIGURE P10.32 2 p. A, E, I
-
A company pays its employees an average wage of $15.90 an hour with a standard deviation of $1.50. If the wages are approximately normally distributed and paid to the nearest cent, (a) What...
-
The weights of a large number of miniature poodles are approximately normally distributed with a mean of 8 kilograms and a standard deviation of 0.9 kilogram. If measurements arc recorded to the...
-
The tensile strength of a certain metal component is normally distributed with a mean 10,000 kilograms per square centimeter and a standard deviation of 100 kilograms per square centimeter....
-
Design a power transmission system to connect a DC motor to its load. The motor is given in the motor catalogue as a BM1400 motor. You must create a transmission which will connect to this motor and...
-
SDJ, Incorporated, has net working capital of $3,320, current liabilities of $4,550, and inventory of $4,600. a. What is the current ratio? b. What is the quick ratio?
-
Calculate the final selling price to the nearest cent and markdown percent to the nearest hundredth percent: Original selling price $4,900 First markdown 20% Second markdown 10% Markup 12% Final...
Study smarter with the SolutionInn App