Assume that the average annual salary for a worker in the United States is $31,000 and that the annu
Question: Assume that the average annual salary for a worker in the United States is $31,000 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $7,500. Find the following:
a) What percentage of Americans earn below $20,000?
b) What percentage of Americans earn above $45,000?
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(See Solution) This is an exercise in understanding normal distribution. The final grades in a class are said to be #16484
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Statistics - Variables with normal distribution #16481
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[Solved] Let us say you have 100 numbers ranging from 52 to 146. How any class intervals would there be, and #11497
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Statistics - Variables with normal distribution #16481
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