Create confidence interval for proportion of all depositors

Assignment Help Basic Statistics
Reference no: EM13141657

Of 44 bank customers depositing a check, 19 received some cash back.

(a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round your answers to 4 decimal places.)

Reference no: EM13141657

Questions Cloud

Regarding in-text citations where no introduction is used : If you're using a pattern of development to explore the issues surrounding a topic, what pattern of development would you be using?
Overstate current period net income : Which of the following would not overstate current period net income?
What volume of a 0.150 m koh solution would have to be added : An acid solution is 0.100 M in HCl and 0.190 M in H2SO4.What volume of a 0.150 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid?
Earnings per share of stoneland corporation : For 2010, Stoneland Corporation reported net income, $24,000; net sales, $400,000; and average shares outstanding, 6,000. There were no preferred stock dividends. What was the 2010 earnings per share?
Create confidence interval for proportion of all depositors : Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round your answers to 4 decimal places.)
Explain power factor correction : Power factor correction, Three parallel impedances in rectangular form as follows
What are some marketing objectives for a music festival? : What are some marketing objectives for a music festival?
Amortization expense for the patent : Waves Company purchased a patent for $170,000 at the beginning of 2011, and estimated that its expected useful life was 10 years. The patent has a legal life of 17 years. What amount should be recorded as amortization expense for the patent in 201..
What will happen if the volume of the container is reduced : A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Confidence interval for difference between population means

Develop a 95% confidence interval of the difference between the daily population means for the two airports.

  Limits of confidence interval

The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 96 pounds. A random sample of 50 newly manufactured cables has a mean breaking strength of 1950 pounds.

  Standard deviation and intermediate calculations

Compute the following: (Round the value for standard deviation and intermediate calculations to 2 decimal places and your final answer to 4 decimal places.)

  Relationship between correlation and causation

What is correlation? Does correlation directly support causation, what are both sides of the argument?

  Compute a t-test comparing males and females heights

Using the above database, compute a t-test comparing males' and females' heights. You must determine which type of t-test to compute. Write a short interpretation of the results.

  Precision of or narrowing the confidence interval

What do confidence intervals represent? What is the most controllable method of increasing the precision of or narrowing the confidence interval?

  Policyholders randomly selected for company records

An auditor for Health Maintenance Services of Georgia reports 40% of policyholders 55 years or older submit a claim during the year. Fifteen policyholders are randomly selected for company records.

  Randomly distributed balls in boxes

Suppose 10 balls, numbered 1-10, are to be distributed randomly into 10 boxes. a) What is the probability all 10 balls are placed into one box? b) What is the probability that no boxes are empty?

  Determining z test for population mean

A researcher claims the average American drinks 52 gallons of cola per year with a population standard deviation of 2.0 gallons. We sample 25 random people and find the mean yearly consumption was 49 gallons.

  Utilizing six sigma tools for statistical significance

Cite an example of your experience with applying Six Sigma tools for Statistical significance in the workplace. If you do not have an actual example, suggest a situation or context in which the tools would provide valuable quality improvement help..

  Formulating a linear programming model

A company produces two products that are processed on two assembly lines. Assembly line 1 has 100 available hours, and assembly line 2 has 42 available hours.

  State null hypothesis and alt hypothesis

State the null hypothesis and alternative hypothesis. Indicate the type of test to be performed (left-tailed, right-tailed, or two tailed). Provide a statement in terms of the hypothesis testing process in this problem that would signify a Type I ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd