Question: We have given a likely range for the observed value of a sample proportion P. a. Based on the given range, identify the educated guess

We have given a likely range for the observed value of a sample proportion P̂.

a. Based on the given range, identify the educated guess that should be used for the observed value of P̂ to calculate the required sample size for a prescribed confidence level and margin of error.

b. Identify the observed values of the sample proportion that will yield a larger margin of error than the one specified if the educated guess is used for the sample-size computation.

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