In each of parts? (a)-(c), we have given a likely range for the
observed value of...
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In each of parts? (a)-(c), we have given a likely range for theobserved value of a sample proportion p. Based on the given? range,identify the educated guess that should be used for the observedvalue of p to calculate the required sample size for a prescribedconfidence level and margin of error.
a. 0.2 to 0.3
b. 0.1 or less
c. 0.3 or greater
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SOLUTIONFrom given datacalculate the required sample size for a prescribed confidencelevel and margin of errora 02 to03Given the confidence interval for proportion as 02 and 03Then the sample proportion p Upper limit lower limit2 02032025q 1p 1025 075The margin
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