Question: An operator wants to determine the standard deviation for a machine she operates. To do this, she wants to create a p-chart. Over a month's

An operator wants to determine the standard deviation for a machine she operates. To do this, she wants to create a p-chart. Over a month's time, she collects 30 samples of 75 observations cach and records the number of errors. The average proportion defective is found to be 0.024. Which of the following is the standard deviation of the machine? More than 0.5 but less than or equal to 1.0 More than 0.1 but less than or equal to 0.5 Less than or equal to 0.1 More than 1.0

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