Express the confidence interval in the form of p±E. 13) 0.203

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 28E
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Express the confidence interval in the form of p t E.
13) 0.203<p<1.423
Find the critical value Za/2-
14)
14) Find the critical value za/2 that corresponds to a degree of confidence of 94%.
Find the minimum sample size you should use to assure that your estimate of p will be within the required margin of
error around the population p. Use Table A-2.
15).
15) Margin of error: 0.013; confidence level: 95%; p and q unknown
16) Margin of error: 0.04; confidence level: 99%; from a prior study, p is estimated by 0.09
13)
16),
Transcribed Image Text:Express the confidence interval in the form of p t E. 13) 0.203<p<1.423 Find the critical value Za/2- 14) 14) Find the critical value za/2 that corresponds to a degree of confidence of 94%. Find the minimum sample size you should use to assure that your estimate of p will be within the required margin of error around the population p. Use Table A-2. 15). 15) Margin of error: 0.013; confidence level: 95%; p and q unknown 16) Margin of error: 0.04; confidence level: 99%; from a prior study, p is estimated by 0.09 13) 16),
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