Calculate the volume of a rectangular prism with a length of 4.4 cmcm, a width of 3.1 cmcm, and a height of 6.3 cmcm. (As before
1 answer:
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Answer:
1. 50% 2. 0.15% 3. 16% 4. 2.5%
Step-by-step explanation:
The 68-95-99.7 rule for a mean of 100 and a standard deviation of 15 is shown below.
1. The percentage of adults that score above 100 is 50% because the normal density function is symmetric around its mean, and in this case 100 is the mean, therefore, there are 50% below the mean and 50% above the mean.
2. The percentage of adults that score above 145 is 0.15%, it is easy to verify this using the empirical rule shown below.
3. The percentage of adults scoring below 85 is 16%, i.e., 0.15% + 2.35% + 13.5%
4. The percentage of adults taking the WAIS test that qualify for membership is 2.5%, i.e., 2.35% + 0.15%
