In an initial survey designed to estimate the percentage of time air express cargo loaders...
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In an initial survey designed to estimate the percentage of time air express cargo loaders are idle an analyst found that loaders were idle in 4 of the 50 observations a What is the estimated percentage of idle time Round your answer to 2 decimal places Estimated percentage of idle time b Based on the initial results approximately how many observations would you require to estimate the actual percentage of idle time to within 3 percent with a confidence of 99 percent Round your z value to 2 decimal places Do not round any other intermediate calculations Round UP your final answer to the next whole number
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