Answer:
While Word might be the simplest application for listing your personal income and expenses, using Excel is the easiest way to create and use a budget, based on the formulas you can create to have the budget do the work for you, instead of vice versa.
Explanation:
Excel
The correct answer is d hope i could help
The standard deviation of the average age of a breed of dog is said to be 3.69.
<h3>What is the standard deviation about?</h3>
Note that we take:
- x = dog age has mean 19.5
- Unknown standard deviation.
Hence:
z = (x - mean) /SD is distributed N (0,1) - mean o standard deviation 1 (standard normal)
Since 20% of dogs are known to be older than 22.6 years:
So 22.6 years is said to be 80th percentile,
Since z matching to 80th percentile (using the standard normal table) s is <em>0.84.</em>
Then one need to plug z, x which is = 22.6
mean = 19.5 into the stated z equation:
Hence,
0.84 = (22.6 - 19.5)/SD
SD = (22.6 - 19.5)/0.84
= 3.69
Learn more about standard deviation from
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If two angles are supplementary and one angle measures 65°, what should be the measure of the other angle?
other angle equals to 115°.
