Mr. Walker is looking at the fundraiser totals for the last five years.
2 answers:
1. If you want to find the mean you should add all fundraiser totals and divide it by number of years:
2. In order to find the median, firstly you have to order the fundraiser totals from the smallest number to the greatest number:
880, 896, 914, 925, 963.
The median is the middle number, then
3. 915.6-914=1.6 - the mean is $1.60 greater than the median.
Answer: correct choice is B.
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Using the probability concept, it is found that since the number of red sweets would be a decimal number, the probability cannot be
Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
In this problem:
- In total, there are 8 + n sweets in the bag.
- Of those, n are red.
The probability of red is:
Supposing, we solve for n:
10n = 7n + 56
3n = 56
n = 56 / 3
n = 18.67
Since the number of red sweets would be a decimal number, the probability cannot be 7 / 10
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