Tabulate the minimum sample size required for given values

Assignment Help Basic Statistics

Reference no: EM131372583

An estimate of the average length of pins produced by an automatic lathe is wanted to within 0.002 inch with a 95% confidence level. σ is guessed to be 0.015 inch.

a. What is the minimum sample size?

b. If the value of σ may be anywhere between 0.010 and 0.020 inch, tabulate the minimum sample size required for σ values from 0.010 to 0.020 inch.

c. If the cost of sampling and testing n pins is (25 + 6n) dollars, tabulate the costs for σ values from 0.010 to 0.020 inch.

Reference no: EM131372583

Questions Cloud

Explain the bond valuation technique : In your role as a financial advisor at Eagle Consulting, you will be meeting a potential customer, Keith Jones. Mr. Jones is 35 years old, married with two children, and would like your help in planning a long-term investment strategy with the $10..

Do you need to know which methods are abstract : Move the increment Age method from Fox and Rabbit to Animal by providing an abstract getMaxAge method in Animal and concrete versions in Fox and Rabbit.

Confidence interval for the population of men of 50 : According to Money, 60% of men have significant balding by age 50.24 If this finding is based on a random sample of 1,000 men of age 50, give a 95% confidence interval for the population of men of 50 who show some balding.

Define direct versus indirect marketing channel : Describe and define a "Direct" versus "Indirect" Marketing Channel and list members of each channel type. Include adventages and disadventages of each channel type in your description.

Tabulate the minimum sample size required for given values : If the value of σ may be anywhere between 0.010 and 0.020 inch, tabulate the minimum sample size required for σ values from 0.010 to 0.020 inch.

Does it matter at all how the single field is split : Repeat the investigations of the previous exercise, but vary the proportions of the two, smaller fields. For instance, try three-quarters and one quarter, or two-thirds and one-third.

Explain two implication of privatization from social justice : Post your perspective on whether privatization is a positive public policy tool. Why or why not? Then, explain at least two implications of privatization from a social justice perspective.

Construct a confidence interval : If a random sample of 200 test runs of the service reveal an average of 8 minutes to fill in the electronic application and standard deviation =3 minutes, construct a 75% confidence interval for µ.

How you would go about applying the evaluation tasks : Post an explanation of how you would go about applying the evaluation tasks. Also, explain how you would acquire the information you need to design an evaluation.

User Account

All Pages