Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

A population is estimated to have a standard deviation of 10. We want to estimate the population mean within 2, with a 95 percent level of confidence.

How large a sample is required?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9953859
  • Price:- $5

Priced at Now at $5, Verified Solution

Have any Question?


Related Questions in Statistics and Probability

Billy currently has 500 in an account that earns 12 apr

Billy currently has $500 in an account that earns 12% APR, compounded monthly. Assuming he doesn't withdraw any of the funds, how much will his balance be in 6 years?

Medical researchers studying the effects of a low carb diet

Medical researchers studying the effects of a low carb diet versus a normal diet randomly assigned obese patients to one of the two diets. The patients were followed up with after several months and the amount of weight ...

Based on the 1990 census the number of hours per day adults

Based on the 1990 census, the number of hours per day adults spend watching television is approximately normally distributed with a mean of 5 hours and a standard deviation of 1.3 hours. What proportion of the population ...

On average there are 30 of defects per square foot of

On average, there are 30% of defects per square foot of photographic paper. Assume independence. We examine 100 sheets of photographic paper. Find the probability of 0 defects in one sheet.

A study indicates that the weights of adults are normally

A study indicates that the weights of adults are normally distributed with a mean of 140 lbs and a standard deviation of 25 lbs. Find a value of weight  x  such that only 20% of adults weigh less than that. A. 136 B.190 ...

Choose the correct problem formulation it is known that 70

Choose the correct problem formulation: It is known that 70% of the customers in a sporting goods store purchase a pair of running shoes. A random sample of 25 customers is selected. Assume that customers' purchases are ...

A normal distribution has a mean equal tonbsp45 what is the

A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of  x  = 52.84?  (Round your answer to two decimal plac ...

Lets see how much you have been paying attention for your

Let's see how much you have been paying attention. For your first Pause-Problem in this chapter, please tell me three things that differentiate parametric from non-parametric tests (Hint: There are actually four, so see ...

A bottle of water is supposed to have 12 ounces the

A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...

Rework problem 20 from section 34 of your text involving

Rework problem 20 from section 3.4 of your text, involving silver rental cars with navigation systems. Assume that the car lot contains 35 percent Lincolns, 35 percent Jaguars, and 30 percent BMWs. Of the Lincolns, 90 pe ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As