Login

Create Account
Customer Service Chat
+14156709189
info@expertsmind.com
Submit Homework/Assignment
Get quote & make Payment
Get Solution
Statistics question, Basic Statistics
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?
Posted Date: 4/8/2013 8:05:34 PM  Location : Canada
Ask an Expert
Related Discussions:
Statistics question, Assignment Help, Ask Question on Statistics question, Get Answer, Expert's Help, Statistics question Discussions
Write discussion on Statistics question
Your posts are moderated
Write your message here..
Related Questions
Quantitative techniques and decision making, Let the national income model ...
Let the national income model be: Y= c+1+G C=20+0.6y I=0.2y G=20 Where y= income, C= consumption, I= investment and G=government expenditure find y, C and I from the model. By quan
Transitioning from gaap to ifrs, How important do you think knowledge trans...
How important do you think knowledge transfer and training will be to help in transitioning from GAAP to IFRS? Manager 1: Knowledge transfer is going to be extremely importan
Hypothesis, What is a hypothesis test? Why do we need to use them to make ...
What is a hypothesis test? Why do we need to use them to make decisions about relating sample results to the population; why can’t we just make our decisions by the sample value?
Biostatistics, when testing hypothesis is the level of significanc the type...
when testing hypothesis is the level of significanc the type error I?
Index number, Why index numbers serve as economic barometers?
Why index numbers serve as economic barometers?
Treatment of cst and vat, Treatment of CST and VAT in Sales Book A suppl...
Treatment of CST and VAT in Sales Book A supplier who expenses the CST for inter declares purchase by him, is responsible to first deposit the gathered CST from bought to Got Co
Calculate the probability of coin, Q1. If you throw a coin 5 times, what is...
Q1. If you throw a coin 5 times, what is the probability of:  throwing 5 heads  throwing 4 tails  throwing 3 heads and 2 tails Q2. Construct a tree diagram to verify your ans
Protonneutron hypothesis, This hypothesis was put forward by Heinsberg aft...
This hypothesis was put forward by Heinsberg after the discovery by Chadwick. According to this hypothesis, a nucleus of mass number A and atomic number Z contains Z protons, and
Normal distribution, In a sample of 120 workers in a factory, the mean and ...
In a sample of 120 workers in a factory, the mean and standard deviation of wages were Rs. 11.35 and Rs.3.03 respectively. Find the percentage of workers getting wages between Rs.9
What is the lm and is curve, Consider an economy specified by the following...
Consider an economy specified by the following: Y = PE = C + I + G + NX (Income identity) C = 400 + 0.9YD
Assignment Help
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
IT Courses and Help
ExpertsMind Services
Online Tutoring
Projects Assistance
Exam Preparation
Coursework Help
Programming Courses
Engineering Courses
Why Us ?
~Experienced Tutors
~24x7 hrs Support
~Plagiarism Free
~Quality of Work
~Time on Delivery
~Privacy of Work