1.96, if you multiply that by the length, (which is 2.5) then you will get the area of 4.9 hope this helps
Step-by-step explanation:
Answer:
-8.2, -2 1/2, 0.4, 2.4
Step-by-step explanation:
Just follow this answer
Answer:
1. 
2. 
3.
Step-by-step explanation:
<u>QUESTION 1</u>
The given data set for the expenditure is

The formula for calculating the mean is given by,

We need to add all the expenditure and divide by the total number of days.

This gives us,

to the nearest hundredth.
<u>QUESTION 2</u>
The standard deviation of the data set is given by the formula;

This implies that,

This will give us,




to the nearest hundredth,
.
<u>QUESTION 3</u>
The variance is the square of the standard deviation.


To the nearest hundred gives,
