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 7 of the 60 observations. a. What is the estimated percentage of idle time? (Round your answer to 2 decimal places. Omit the "%" sign in your response.) Estimated percentage of Idle time 10.00 % b. Based on the initial results, approximately how many observations would you require to estimate the actual percentage of idle time to within 5 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 14

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