Weed good smoke and drink
Answer:
<h2>The standard deviation is 2.6076809621.</h2>
Step-by-step explanation:
The set of values are 2, 4, 7, 8, 9.
The mean of these values are .
The mean of the squares of the differences of these numbers and the mean is .
In order to get the value of the standard deviation, we need to square-root the value of 6.8.
Hence, the standard deviation of the data set is ≅2.6076809621.
I believe 90 but i can be wrong
So first, we need to find how much the tip is, which is 20% of $70. Or, 0.2*70, which equals $14. Micheal will pay $14 as tip.
Then to find total, we add 14 to 70, which is $84, which is the total bill.
Answer:
see the image attached
Step-by-step explanation: