stat question

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(a) An insurance company wants to estimate the proportion of people unsatisfied with their new telephone help service. A survey of 200 callers revealed 45 were unsatisfied with the service. Construct by hand a 95% confidence interval for the proportion of unsatisfied customers.

(b) If the company wanted to estimate the sample proportion to within 2% of the population proportion, what sample size would be necessary assuming no prior estimate of the proportion is known?

Price- 10$ in 1 hour

Mathématiques Rédaction scientifique Analyses statistiques Statistiques

Nº du projet : #10370058

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8 propositions Projet à distance Actif il y a 7 ans

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antonparfeniuk

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5.4
Tanmoy236

I am extremely good with statistics as it is part of my daily professional work. I am fast accurate and at the same time understand the value of quality and deadlines. I have already done 73 works on Freelancer where I Plus

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jonasdelacruz

Hello. I am a university instructor here in the Philippines and I am very knowledgeable with statistics. The questions you have posted are my favorite questions and I can assure you 100% correct answers.

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radhikanaren

I am an established medical professional with a flair in technical and content writing. I am confident that I complete the project/task well within the deadline.

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anhnguyen593

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cribcreaky

I finished my A-level maths last year and am now studying maths at Trinity, Cambridge. This question is a routine exam-style question from Stats Module 3 on my exam board, and I assure you I can do it with ease.

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mmonticelli

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