Confidence interval, Basic Statistics

Assignment Help:

Questions

1. A genetic experiment with peapods resulted in one sample of offspring that consisted of 443 green peapods and 170 yellow peapods.  Construct a 95% confidence interval to estimate the true percentage of yellow peapods.

2. A random sample of the birth weights of 186 babies has a mean of 3103 grams and a standard deviation of 700 grams.  Construct a 98% confidence interval estimate of the mean birth weight for all such babies.

3. Salaries of 31 college professors who took a geology course in college have a mean of $58,000 and a standard deviation of $16,954.  Construct a 90% confidence interval estimate of the population standard deviation of all such professors.

 

 


Related Discussions:- Confidence interval

Analysis in spss, The whole point of organizing data using SPSS software is...

The whole point of organizing data using SPSS software is so that we can manipulate the data to answer our descriptive and inferential questions.  This next section will walk you t

INTRODUCTION TO STASTICS, Let a and b be constants and le yi=axi+b for i=1,...

Let a and b be constants and le yi=axi+b for i=1,2,...n. W HAT IS THE RELATION SHIP BETWEEN mean and variancees of X and Y ?

Find the probability, Question: (a) Find the number of different words...

Question: (a) Find the number of different words which can be formed with the letters A, A, A, B, B, C, C if (i) there is no restriction (ii) they must st

Probability, There are 49 mice in a pet shop. 30 mice are white. 27 mice ...

There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails.

Estimate of the population mean, Playbill magazine reported that the mean a...

Playbill magazine reported that the mean annual household income of its readers is $119,155 (Playbill, January 2006). Assume this estimate of the mean annual household income is ba

Find the mean and standard deviation, A travel agency surveyed 38 customers...

A travel agency surveyed 38 customers holidaying in Australia who took their spouses on either a skiing or a golfing vacation.  The data comprises amounts (in hundreds of dollars).

Capital assets, Capital assets Assets which meet the state''s capitalizati...

Capital assets Assets which meet the state''s capitalization strategy such as ground: developments to l&: easements: buildings: leasehold improvements: means of transportation: or

Write Your Message!

Captcha
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