Statistics question, Basic Statistics

Assignment Help:
1. A sample from 16 different farms across Quebec shows that the hay production in bales per acre is normally distributed N(100,50).
a. (2p )What is the probability that a random farm from this sample produces less than 80 bales/acre?



b. (2p) What is the probability that another random sample of nine farms has an average of less than 80 bales/acre?



c. (1p) Is the population mean known?



d. (2p) What can we learn from the central limit theorem in this case?



e. (3p) Calculate a 90 % confidence interval around the population mean.




f. (2p) Interpret: what does your answer in e) mean?


g. (2p) These nine farms were actually a pilot study. What is the minimal sample size needed to compute a 95 % confidence interval around the population mean?



Related Discussions:- Statistics question

Managing Ashland, calculate the probabilities correct to 6 decimal places. ...

calculate the probabilities correct to 6 decimal places. Let pie = 0.02. a. P(X less than 3,

Byron, 1. Provide a video or peer reviewed example analyzing the article an...

1. Provide a video or peer reviewed example analyzing the article and point out the Null, Alternative Hypothesis, and explain how z-testing was used.

What is hurdle rate, What is hurdle rate? In investment spending budget...

What is hurdle rate? In investment spending budget, challenge amount is the minimal amount that an organization desires to earn when getting a venture. Hence the challenge amou

Corporate B onds/Preffered Stocks, If an exact answer isn''t possible, I re...

If an exact answer isn''t possible, I really just need a guide. The company we are using is GameStop Corp, listed as GME on the NYSE. Using the supplied information and referring

Acc, Project I The trial balance of the Parton Wholesale Company contain...

Project I The trial balance of the Parton Wholesale Company contained the following accounts at December 31, 2010 the end of the company’s calendar year. PARTON WHOLESALE COMPA

What after the implementation of ifrs, What after the implementation of IFR...

What after the implementation of IFRS?  Manager 1: IFRS is only the first step towards the change that the SEC is trying to bring in. Firstly it is going to take a couple of year

Statistic for business, Present the survey methodology which is going to be...

Present the survey methodology which is going to be used by describing primary and secondary data collection methods, population, sampling frame and sampling method/s, sample size

Least squares analysis, Least squares method of fitting a line ( the line o...

Least squares method of fitting a line ( the line of best fit or the regression line) through the scatter diagram is a method which minimizes the sum of squared vertical deviations

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