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5. On a test, the mean score was 90 and the standard deviation was 7. Use these descriptive statistics to work out the following

5. On a test, the mean score was 90 and the standard deviation was 7. Use these descriptive statistics to work out the following scenarios (10 points): a. What proportion is expected to score between 85 and 105? b. What proportion is expected to score between 88 and 82? c. Out of 1,200 individuals, approximately how many will score below 95? d. What scores separate the middle fifty percent from the rest of the distribution?

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