The Scores of Students on a Standardized Test Are Normally

question 23

Multiple Choice

The scores of students on a standardized test are Normally distributed with a mean of 300 and a standard deviation of 40. Using the fact that the middle 50% of the data falls within 0.67 standard deviations from the mean, find the probability that a randomly chosen student scores below 273.2 on the test.

• A) 0.025
• B) 0.25
• C) 0.165
• D) 0.125

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