The County Development Agency does a survey of all the mobile home manufacturers in Clarion County and takes a sample of 25 homes. They find: n=25 x = $13,550 o = $2,000 a) Find the 95% confidence interval for the local mobile home prices.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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We have N=100 claims for dental work. We choose n=10 claims to evaluate our billing. We
know, or believe, that claims are normally distributed.
µ = $272
We know that
o = $53.2
and from our sample we calculate $277.
a)
What is the best estimate of u ?
b)
Find the probability that $277
What important point about your data did you have to take into consideration? (You only
c)
need a one or two sentence answer here).
Transcribed Image Text:We have N=100 claims for dental work. We choose n=10 claims to evaluate our billing. We know, or believe, that claims are normally distributed. µ = $272 We know that o = $53.2 and from our sample we calculate $277. a) What is the best estimate of u ? b) Find the probability that $277 What important point about your data did you have to take into consideration? (You only c) need a one or two sentence answer here).
The County Development Agency does a survey of all the mobile home manufacturers in Clarion
County and takes a sample of 25 homes. They find:
n= 25
x = $13,550
o = $2,000
Find the 95% confidence interval for the local mobile home prices.
Transcribed Image Text:The County Development Agency does a survey of all the mobile home manufacturers in Clarion County and takes a sample of 25 homes. They find: n= 25 x = $13,550 o = $2,000 Find the 95% confidence interval for the local mobile home prices.
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