Question
The annual income for a sample of 500 part-time students is normally distributed with a mean income of $49,000 and a standard deviation of $3,100.
The annual income for a sample of 500 part-time students is normally distributed with a mean income of $49,000 and a standard deviation of $3,100.
- What is the probability their annual income is more than $45,500?
- What is the probability their annual income is $51,250-$58,350?
- What is the probability their annual income is $55,000?
- How much does a student need to make to be in the bottom 28% for their annual income?
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
