A sample of 80 results in 30 successes. a. Calculate the point estimate of the population proportion

Question:

A sample of 80 results in 30 successes.

a. Calculate the point estimate of the population proportion of successes.

b. Construct a 90% and a 99% confidence interval of the population proportion.

c. Can w e conclude at 90% confidence that the population proportion differs from 0.5?

d. Can w e conclude at 99% confidence that the population proportion differs from 0.5? P-69

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

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics Communicating With Numbers

ISBN: 9780071317610

1st Edition

Authors: Kelly Jaggia

See More Books

Question Posted: Jul 25, 2024 08:01 AM

See More Questions

There were no other non-current assets acquisitions or disposals. A dividend of 150m was paid on ordinary shares during the year. Required a) Prepare a cash flow statement for Blackheath plc for the...
The left-hand column of the following table describes each of seven ï¬nancial statements that the FASAB recommends agencies prepare. The right-hand column indicates the names of the seven...
Wynn Company has recorded the following items in its financial records. Cash in bank ..........................................$ 42,000 Cash in plant expansion fund ............. 100,000 Cash on hand...
25. (Appendix Question) Necedah Power is an electric utility company. Its historical beta is .70. Its stock offers a dividend yield of 7.6%. The market value of its equity is currently $140 million....
Determining materials price and usage variances Vacher Fruit Drink Company planned to make 200,000 containers of apple juice. It expected to use two cups of frozen apple concentrate to make each...
The following results for the year pertain to the Northern Division of Garvey Corporation:Revenues$ 4 0 0 , 0 0 0 Taxes$ 6 0 , 0 0 0 Net Income$ 1 0 0 , 0 0 0 Northern's total divisional assets are $...
1 Provide examples of products for each of these IPLC stages: (0) local innovation, (1) overseas innovation, (2) maturity, (3) worldwide imitation, and (4) reversal.
2 Given the implications of the IPLC theory, how should US innovating firms adjust their marketing strategies?
The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table. a. What is the best estimate of the average obesity percentage...
article review on " https://www.tandfonline.com/doi/pdf/10.1080/1331677X.2022.2052337?needAccess=true&role=button " and in the review please brief answer The first section of the paper should be a...
In response to PSA flight 1771 and Pan Am 103, The Airport Security Improvement Act of 1990 was promulgated and codified into law. This act caused pilots and flight crew to undergo screening. This is...
What role does indexing play in enhancing database performance, and how do various indexing techniques, such as B-trees and hash indexes, differ in terms of their effectiveness and applicability in...
5. (Total: 12 points) Independent flips of a biased coin that lands on heads with probability 0.8 are made. Each of two players, A and B, had chosen one out of the eight triplets: {HHH, HHT, HTH,...
Discuss Implication of TQM on organization Discuss Foundation of Quality Management What are the Utility of quality awards Discuss quality awards of other nation Discuss Malcom Baldrige Award Discuss...
An insulated 0.08-m3 tank contains helium at 2 MPa and 80C. A valve is now opened, allowing some helium to escape. The valve is closed when one-half of the initial mass has escaped. Determine the...
Per Bag Direct materials: 25 pounds of CWhiz-2000 @ $0.08/lb. = $ 2.00 Direct labor: 0.05 hour @ $32.00/hr. = $ 1.60 The company manufactured 100,000 bags of Cheese-Be-Good in December and used...

A sample of 80 results in 30 successes. a. Calculate the point estimate of the population proportion

Question:

Step by Step Answer:

Business Statistics Communicating With Numbers

Students also viewed these Business questions