(b) Nine teachers were selected at random from a large school and their incomes were recorded. The observed standard dev

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(b) Nine teachers were selected at random from a large school and their incomes were recorded. The observed standard dev

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B Nine Teachers Were Selected At Random From A Large School And Their Incomes Were Recorded The Observed Standard Dev 1
B Nine Teachers Were Selected At Random From A Large School And Their Incomes Were Recorded The Observed Standard Dev 1 (26.04 KiB) Viewed 22 times
(b) Nine teachers were selected at random from a large school and their incomes were recorded. The observed standard deviation of income was $5179. What is the probability that the sample mean is within $5000 of the true mean income of the population?
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