The standard deviation is thought to be 400. how many card, Ask an Expert

Statistics

It would like to be within plus or minus $25 of the true mean with a 98% confidence level. The standard deviation is thought to be $400. How many card holders should be sampled? Your company charges a set dollar amount for each account in the sample.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9400572

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

How would i calculate this anystate auto insurance company

How would I calculate this: Anystate Auto Insurance Company took a random sample of 382 insurance claims paid out during a 1-year period. The average claim paid was $1590. Assume σ = $234. Find a 0.90 confidence interv ...

Stock valuation gruber corp pays a constant 9 dividend on

Stock Valuation Gruber Corp. pays a constant $9 dividend on its stock. The company will maintain this dividend for the next 12 years and will then cease paying dividends forever. If the required return on this stock is 1 ...

At a large university the probability that a student take

At a large university, the probability that a student take calculus and is on the dean's list is 0.048. The probability that a student is on the dean's list is 0.29. Find the probability that the student is taking calcul ...

Your companys revenues were 3 million this year you paid

Your company's revenues were $3 million this year. You paid out $500,000 in salaries and your only other cash outflow was the purchase of a piece of construction equipment for $1 million that is to be depreciated to a ze ...

Sixty percent of adults have looked at their credit score

Sixty percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 25 of them have looked at their score in the past six months?

Bar-eli azar ritov keidar-levin and schein 2007 analyzed

Bar-eli, Azar, Ritov, Keidar-Levin, and Schein (2007) analyzed 286 penalty kicks among professional soccer players. They recorded the direction that the ball was kicked (left, center, right) and the direction that the go ...

Why is sustainability in the sport industry linked to the

Why is sustainability in the sport industry linked to the green movement?

A large furniture retailer wants to conduct a customer

A large furniture retailer wants to conduct a customer satisfaction survey. Customers are divided into groups based on the amount of money they have spent at the retailer's stores in the past year: less than $2000, from ...

A test of the null A test of the null hypothesis H 0 : μ = μ 0 gives test statistic

A test of the null hypothesis H 0 : μ = μ 0 gives test statistic z = -0.58 (Round your answers to four decimal places.) a) What is the P -value if the alternative is H a : μ > μ 0 ? b) What is the P -value ...

The time to complete 1 construction project for company a

The time to complete 1 construction project for company A is exponentially distributed with a mean of 1 year. Therefore: (a) What is the probability that a project will be finished in one and half years? (b) What is the ...

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