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    Elementary Statistics Study Set 1
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    Exam 6: Normal Probability Distributions
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    The Weekly Salaries of Teachers in One State Are Normally
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The Weekly Salaries of Teachers in One State Are Normally

Question 145

Question 145

Multiple Choice

The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a standard deviation of $45. What is the probability that a randomly selected teacher earns more than $525 a week?


A) 0.2177
B) 0.1003
C) 0.2823
D) 0.7823

Correct Answer:

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