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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Compute and show all of the solution from a to c

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?
Transcribed Image Text: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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