Percent of the students scored
The mean score of a college entrance test is 500; the standard deviation is 75. The scores are normally distributed. What percent of the students scored below 320?
A) About 50.82%
B) About 34.13%
C) About 7.86%
D) About 0.82%
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What is the area under the normal curve between z = 0.0 and z = 1.79?
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