(Answered) How large a sample is needed to estimate a population

Statistics

How large a sample is needed to estimate a population proportion within 2.5% at the 99% confidence level if you have no reasonable estimate of the population proportion? Do the problem again if you have data to show that the population proportion is .7.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92832346
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

You must choose between investing in stock a or stock b you

You must choose between investing in Stock A or Stock B. You have already used CAPM to calculate the rate of return you should expect to receive for each stock given each one's systematic risk and decided that the expect ...

You want to borrow 36000 from your local bank to buy a new

You want to borrow $36,000 from your local bank to buy a new sailboat. You can afford to make monthly payments of $750, but no more. Assuming monthly compounding, what is the highest rate you can afford on a 60-month APR ...

You are working with a moe of -4 and a confidence level of

You are working with a MOE of +/-4% and a confidence level of 95%. P and Q =.50, and your CPI is $25.00. The company you work for needs to make a decision as to whether they may need different advertising for men and wom ...

The lifetime of a particular type of light bulb are

The lifetime of a particular type of light bulb are approximately normally distributed with a mean of 1200 hours and a standard deviation of 140 hours. a) Find the probability that a randomly chosen bulb will burn longer ...

A customer service phone line claims that the wait times

A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3 minutes. In a random sample of 62 calls, the average wait time before a representative answe ...

Your firm is contemplating the purchase of a new 585000

Your firm is contemplating the purchase of a new $585,000 computer-based order entry system. The system will be depreciated straight-line to zero over its five-year life. It will be worth $95,000 at the end of that time. ...

Te gallup poll once asked a random sample of 100 adults

The Gallup Poll once asked a random sample of 100 adults. " Do you happen to jog?" Suppose 50 of these adults answered 'Yes,I jog" Based on this sample what is the estimated probability that 40% or less of all adults jog ...

Owning a business what do you see as the biggest challenge

Owning a business, what do you see as the biggest challenge or challenges in developing a useful forecasting?

A nutritional scientist wishes to study the effect of

A nutritional scientist wishes to study the effect of storage time on the amount of vitamin C (milligrams) contained in 50 gram freeze dried fruit packs when stored for one, one and a half and 2 years. Five fruit packs w ...

With a die being rolled the set of equally likely outcomes

With a die being rolled. The set of equally likely outcomes is? {1, 2? 3, 4? 5, 6}. Find the probability of getting a 10.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert