Time study has revealed an average observed time

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A time study has revealed an average observed time of 5 minutes, with a standard deviation of 1.25 minutes. These figures are based on a sample of 75 cycles. Is this sample large enough for an analyst to be 99.73% confident that the standard time is within 5% of the true value

The required sample size is ____

2. In 300 words,

Do you find there are different ethical levels or standards expected from the public for the different public safety professions compared to each other (fire, EMS, Law, EM, military) and private entities? Explain why.

Reference no: EM132115653

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