Find a confidence interval for the success rate at clinic

Assignment Help Basic Statistics

Reference no: EM131419888

The San Diego reproductive clinic in Exercise 26 wants to publish updated information on its success rate.
a) The clinic wants to cut the stated margin of error in half. How many patients results must be used?

b) Do you have any concerns about this sample? Explain.

Exercise :
Pregnancy. In 1998 a San Diego reproductive clinic reported 49 live births to 207 women under the age of 40 who had previously been unable to conceive.

a) Find a 90% confidence interval for the success rate at this clinic.

b) Interpret your interval in this context.

c) Explain what 90% confidence means.

d) Do these data refute the clinic s claim of a 25% success rate? Explain.

Reference no: EM131419888

Questions Cloud

Cost of common equity financing using gordon model : Company's dividends are expected to grow at an annual rate of 5% forever. The company's common stock is currently selling on the market for $84.28. The investments banker will charge flotation costs $2.67 per share. Calculate the cost of common eq..

Whats the necessary sample size : How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence?

What types of inventory make good collateral : What impact does a compensating balance requirement have on the cost of borrowing from a bank if the firm generally holds little or no checking balances at the bank? What would the impact be if the firm holds large checking balances?

Describe the implementation and evaluation of innovation : Description of the implementation and evaluation of innovation. Evaluation of external technology acquisition and implementation processes. Analysis of the organization's ecosystem in terms of innovation.

Find a confidence interval for the success rate at clinic : Find a 90% confidence interval for the success rate at this clinic.- Interpret your interval in this context.- Explain what 90% confidence means.

What kinds of firms use commercial paper : The availability of bank credit often is more important to a small firm than to a large one. Why?

Determine the economic ordering quantity of diskettes : Computer Supplies Inc. must order diskettes from its supplier in lots of one dozen boxes. Given the information provided here, complete the following table and determine the economic ordering quantity of diskettes for Computer Supplies Inc.

Evaluate the competencies needed for that specific leader : Determine which of those competencies the leader would like to improve, by asking questions about challenges that the leader faces in the position and within the organization. Through this dialogue, you will pinpoint the competencies to focus on t..

Price discovery and provision of liquidity : Financial markets service 2 basic functions, price discovery and provision of liquidity. How does the structure of organised markets servce to facilitate or hinder these functions? What impact have recent changes and trends had on the market's abi..

User Account

All Pages