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It has been determined that the wait-time for computer support is normally distributed with a mean of 30 minutes and a standard deviation of 5 min. If 100 people call, how many would you expect to wait more than 30 min? (use logic here)

Q: Calculate percent standard deviation of 1.5 percent?

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15/100 of 40 = 6

100 is the average with a standard deviation of 15.

Multiply 6.00 by 15 and divide by 100. So 15% of 6.00 = 6.00*15/100 = 90.00/100 = 0.90

Divide by 100 (cent means hundred, so 15 in every hundred) and multiply by 15. 250000 / 100 is 2500, x 15 is 37500

an IQ of 132 in SD (standard deviation) of 16 and 130 in a SD of 15 , this mean top 2% of world's population according to the bell curve..for more info , search in google.

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deviation 15 is better

3.898717738 is the standard deviation.

Variance = 17.9047619 Standard Deviation = 4.23140188

It would be 3*5 = 15.

It is 15 points.

The range is 12 and the standard deviation is 3.822448314.

7.087547766 is the standard deviation for those figures.

Standard deviation is a calculation. It I used in statistical analysis of a group of data to determine the deviation (the difference) between one datum point and the average of the group.For instance, on Stanford-Binet IQ tests, the average (or, mean) score is 100, and the standard deviation is 15. 65% of people will be within a standard deviation of the mean and score between 85 and 115 (100-15 and 100+15), while 95% of people will be within 2 standard deviations (30 points) of the mean -- between 70 and 130.

score of 92

The standard deviation is a number that tells you how scattered the data are centered about the arithmetic mean. The mean tells you nothing about the consistency of the data. The lower standard deviation dataset is less scattered and can be regarded as more consistent.

99.6% for

50 percent