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

Operation research, Meaning and solving example using north-west corner in ...

Meaning and solving example using north-west corner in Transportation problem

Perform multiple regression, You have collected data on 4 continuous variab...

You have collected data on 4 continuous variables (diastolic BP, age, weight, and average number of minute of exercise per week)you think may be related to total cholesterol levels

Historigram, what is historigram in statistics please give the problems and...

what is historigram in statistics please give the problems and there solution in statistics as soon as possible

Management accounting, CRSL has a large auditorium which can cater for 300 ...

CRSL has a large auditorium which can cater for 300 people and is ideal for formal balls and functions. The auditorium can also be reconfigured to cater for 100 people. The Seasons

TIME SERIES, Graphical representation of freehand and semi average method

Graphical representation of freehand and semi average method

Confidence interval, Ask quesA buffalo, your cola distributor is featuring ...

Ask quesA buffalo, your cola distributor is featuring a super-special sale on 12- packs. She wonders where in the grocery store to place the cola for maximum attention. Should it b

Jurnal entry, Depreciation on the company''s equipment for 2011 is computed...

Depreciation on the company''s equipment for 2011 is computed to be $16,000.

Define vital statistics, Vital statistics may be interpreted in two ways-i...

Vital statistics may be interpreted in two ways-in a broader sense it refers to all types of population statistics by whatever mode collected while in a narrower sense it refers o

Explain the effects of the transactions, Explain the effects of the transac...

Explain the effects of the transactions on Accounting Equation under a Financial Accounting System. Ans. Under the Double Entry System each of the financial transaction bring the

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