Statistics help needed

Jul 11th, 2016
Anonymous
Category:
Art Design
Price: $5 USD

Question description

  1. Assume that a population of thousands of people whose responses were used to develop an anxiety test had scores that were normally distributed with M = 30 and s = 10. What proportion of people in this population would have anxiety scores within each of the following ranges of scores?
    • Below 20.
    • Above 30.
Between 10 and 50.

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