The annual income for a sample of 450 part-time students is normally distributed with a mean income of $31,000 and a standard deviation of $3,000. What is the probability their annual income is $30,000? DO NOT USE EXCEL Use z TABLE
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The annual income for a sample of 450 part-time students is
What is the probability their annual income is $30,000? DO NOT USE EXCEL Use z TABLE
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