Mathematics, 25.07.2020 20:01, aaliyahvelasauez

In the normal distribution, 68% of the data lies within 1 standard deviation of the mean, 95% of the data lies within 2 standard deviations of the mean, and 99.7% of the data lies within 3 standard deviations of the mean.
Answer the following question without using the Z-table.
If scores on a test are normally distributed with mean 1100 and standard deviation 100,
what percentage of the test scores are:
a) more than 1300?
b) less than 1100?
c) between 1000 and 1300?

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