Mathematics, 06.03.2020 23:26 deadscoper
The incomes in a certain large population of college teachers have a normal distribution with mean $75,000 and standard deviation $10,000. Four teachers are selected at random from this population to serve on a salary review committee. The probability that their average salary is less than $65,000 is closest to .
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You receive 15% of the profit from a car wash how much money do you receive from a profit of 300
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