Question: Problem 7-13 In an initial survey designed to estimate the percentage of time air-express cargo loaders are idle, an analyst found that loaders were idle

Problem 7-13 In an initial survey designed to

Problem 7-13 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 6 of the 60 observations. a. What is the estimated percentage of idle time? (Round your answer to 2 declmal places. Omlt the "c" sign In your response.) 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 4 percent with a confidence of 98 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.) Number of observations

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