Question: Written Portion help PLEASE... A researcher is interested in estimating the mean weight of a certain subspecies of elephant accurate to within 100 pounds. She

Written Portion help PLEASE...

A researcher is interested in estimating the mean weight of a certain subspecies of elephant accurate to within 100 pounds. She assumes based on a previous study that the population standard deviation of this subspecies is 235.2 pounds. At a 95% confidence level, how many elephants must she sample to obtain her desired accuracy? I\\ I) 3. Identify the given values symbolically. b. Write the formula for finding the necessary sample size, then show your substitutions and final answer. c. The researcher needs to sample at least in order to estimate the with confidence and accurate to within

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