B. Determine the sample size, given the following data: (s- sample standarddeyil1.s=5,2. s = 7,3. s = 4,E = 2.45,E = 3.65,E = 2.76,E = 2.22,E = 1.03,confidence level: 95%confidence level: 98%confidence level: 99%confidence level: 95%confidence level: 99%4. s= 8,5. s= 3.3,C. Solve the following problem.You want to estimate the mean gasoline price withinyour town to the margin of error of 5 centavos. Localnewspaper reports the standard deviation for gasprice in the area is 25 centavos. What sample size isneeded to estimate the mean gas prices at 95%confidence level?

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B. Determine the sample size, given the following data: (s sample standard. de 1. s= 5, E = 2.45, E = 3.65, confidence level: 95% confidence level: 98% 2. s= 7,

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 8E: List the sample space of each experiment. Picking a one-digit number

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Question

B. Determine the sample size, given the following data: (s- sample standard
deyil
1.s=5,
2. s = 7,
3. s = 4,
E = 2.45,
E = 3.65,
E = 2.76,
E = 2.22,
E = 1.03,
confidence level: 95%
confidence level: 98%
confidence level: 99%
confidence level: 95%
confidence level: 99%
4. s= 8,
5. s= 3.3,
C. Solve the following problem.
You want to estimate the mean gasoline price within
your town to the margin of error of 5 centavos. Local
newspaper reports the standard deviation for gas
price in the area is 25 centavos. What sample size is
needed to estimate the mean gas prices at 95%
confidence level?

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