3. Scores made on a certain aptitude test by nursing students are approximately normally distributed with a mean of 500 and a variance of 10,000. a. What proportion of those taking the test score below 200? b. A person is about to take the test. What is the probability that he or she will make a score of 650 or more? c. What proportion of scores fall between 350 and 675?

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A: Topic :- Equations

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