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The Scores of Students on a Standardized Test Are Normally

question 73

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The scores of students on a standardized test are normally distributed with a mean of 300 and a standard deviation of 40. Between what two values do 99.7% of the test scores lie?


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An endowment policy is a life insurance contract designed to pay a lump sum after a specific term (on its 'maturity') or on death.

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