On Monday, Raven ran 2 3 4 miles; Tuesday, 2 3 5 miles; Wednesday, 2 1 2 miles; Thursday, 2 5 8 miles; and Friday, 2 7 10 miles.
2 answers:
You might be interested in
Answer:
1.165.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:
. So
So the correct answer is:
1.165.
Answer:
Chan's Bonus amount was $2400.
Step-by-step explanation:
Let the Total amount receive from bonus be 'x'.
Given:
Chan pays 30% in taxes;
So we can say;
Amount paid in taxes will be equal to 30% of total amount receive
framing in equation form we get;
Amount paid in taxes =
Now Given:
Chan pays 30% in Charity;
So we can say;
Amount paid in charity will be equal to 30% of total amount receive.
framing in equation form we get;
Amount paid in Charity =
Also Given:
Chan pays 30% in old debts;
So we can say;
Amount paid in Old debts will be equal 30% of total amount receive
framing in equation form we get;
Amount paid in Old debts =
Money left with him = $600
Now we can say that Total Amount Receive in bonus will be equal to Amount paid in taxes plus Amount paid in charity plus Amount paid in old debts plus amount left.
framing in equation form we get;
Hence Chan's Bonus amount was $2400.
Answer:
Step-by-step explanation:
Since ED is parallel to CA, the two triangles in the figure share all 3 angles and therefore must be similar. By definition, the corresponding sides of similar polygons are in a constant proportion.
Therefore, we have: