In a simple random sample of size 80, there were 54 individuals in the category of interest.

Question:

a. Compute the sample proportion ̂p.

b. Are the assumptions for a hypothesis test satisfied?

Explain.

c. It is desired to test H0: p = 0.8 versus H1: p < 0.8. Compute the test statistic z.

d. Do you reject H0 at the 0.05 level?

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

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

See More Books

Question Posted: May 08, 2024 03:02 AM

See More Questions

In a simple random sample of size 150, there were 90 individuals in the category of interest. a. Compute the sample proportion p. b. Are the assumptions for a hypothesis test satisfied? Explain. c....
In a simple random sample of size 75, there were 42 individuals in the category of interest. a. Compute the sample proportion p. b. Are the assumptions for a hypothesis test satisfied? Explain. c. It...
In a simple random sample of size 60, there were 38 individuals in the category of interest. a. Compute the sample proportion p. b. Are the assumptions for a hypothesis test satisfied? Explain. c. It...
Briefly explain the differences between copyrights and patents.
Consider the boundary value problem u +4u = 0, 0 x , u(0) = 0, u() = 0. (a) Prove, without solving, that the set of solutions forms a vector space. (b) Write this space as the span of one or more...
Describe managements assertions for the inventory process. Which assertion is the most important for this process? Explain why this is so.
What the general requirements are for all motions?
Robert was the chief teller in a large New York bank. Over a period of three years, he embezzled $1.5 million. He took the money by manipulating dormant accounts. Unfortunately, Robert was both...
86 E25.6 (LO 2), AN Writing The actual selling expenses incurred in March 2022 by Fallon Company are as follows. Variable Expenses 36 6 88 6 Instructions Sales commissions Advertising Travel Delivery...
According to Secure List, 71.8% of all email sent is spam. A system manager at a large corporation believes that the percentage at his company may be 80%. He examines a random sample of 500 emails...
When testing a hypothesis for a proportion, the alternate hypothesis is always two-tailed. In Exercises 7 and 8, determine whether the statement is true or false. If the statement is false, rewrite...
Leslie participates in IBOs non-qualified deferred compensation plan.For 2018, she is deferring 10 percent of her $300,000 annual salary.Based on her deemed investment choice, Leslie expects to earn...
On January 1 of Year 1, Alpha Corporation issued $400,000 of 8% (cash payable semiannually on June 30 and December 31), three-year bonds to yield 10%. Required a. Compute the selling price of the...
A 08.30% annual coupon, 5-year bond has a yield to maturity of 03.50%. Assuming the par value is $1,000 and the YTM is expected not to change over the next year: a) what should the price of the...
JL Lumber has a debt-equity ratio of .47. The firm's required return on assets is 11.8 percent and its current cost of equity is 14.23 percent. What is the firm's pretax cost of debt? Ignore taxes.
2) How much will you have accumulated, if you annually invest $3000 into an IRA at 12% interest compounded bi-annually for: a. 10 year b. 20 years c. 50 years d. How long will it take to earn your...
What type of algorithm is the following code? 1-0 while i
Compare the approximations built into valence-bond theory and molecular-orbital theory.
Highland Theatre is owned by Finnean Ferguson. At June 30, 2014, the ledger showed the following: Cash, $6,000; Land, $100,000; Buildings, $80,000; Equipment, $25,000; Accounts Payable, $5,000;...
Instructions: a. Put your answers in a yellow paper. (Use as many pages as needed.) b. Write your name, section and class schedule on each and every page. c. Sign the papers at the bottom, of each...
Garrett Augustus Morgan, Lewis Howard Latimore, and George Washington Carver are partners in a business called NventionsMLC. In 2017, Sterling Archer and Lana Kane were hired to develop and procure...
For a dryclean store, a customer spent an average of $25 per week on dry cleaning. The profit margin for DryClean Express stores was on average 20 percent. Customers on average have a life-cycle of 7...

In a simple random sample of size 80, there were 54 individuals in the category of interest.

Question:

Step by Step Answer:

Elementary Statistics

Students also viewed these Business questions