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

Components of time series, What are the components of time series? Bring ou...

What are the components of time series? Bring out the significance of moving average in analysing a time series and point out its limitations

#piosson ditribution., Ask Suppose that the expected number of phone calls ...

Ask Suppose that the expected number of phone calls that are handel by a switchboard in each second is 5.35. Assume that the distribution of the number of phone calls per second fo

Random variables, A Biology student estimates that the probability that a c...

A Biology student estimates that the probability that a certain organism will live beyond 24 hours is .40. If he conducts on 7 of this type or organisms, find the probability that

Define Manufacturing Overhead Costs, In the financial statements, each prod...

In the financial statements, each product must include the costs of the given below: Direct labor Direct material Manufacturing or factory overhead The costs that would typically b

Total stockholders equity, To determine the amount at which inventory shoul...

To determine the amount at which inventory should be reported on the December 31 Year 1 balance sheet, Monroe Company compiles the following information for its inventory of Produc

Decision tree, how do I answer: with the aid of a decision tree prepare a q...

how do I answer: with the aid of a decision tree prepare a quantitative report advising the company on the optimal course of action. (use a time horizon of 6years and ignore the ti

Working capital, prepare an estimate of working capital requirements from t...

prepare an estimate of working capital requirements from the following information 1. project annual sales 1,00000/- 2. selling price Rs. 8/unit 3.percentage of net profit on sale

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