Answer:
After 1 year: $306
After 2 years: $312.12
Step-by-step explanation:
Use the formula 300 x
t = no of years
So, Deposit x interest rat
What does opposite rays mean (geometry)
2 answers:
Opposite rays are two rays that share a common endpoint, in this case B, have no other points of intersection, and all points on the two rays are collinear. The important thing to remember about opposite rays is that they share a common endpoint.
I'll attach an image provided of an example of rays that are not opposite.
The two rays I attached in the image provided are not opposite rays even though they do share a common endpoint but all points on the two rays are not collinear.
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Answer:
And rounded up we have that n=421
Step-by-step explanation:
We know that the sample proportion have the following distribution:
In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by and
. And the critical value would be given by:
The margin of error for the proportion interval is given by this formula:
(a)
And on this case we have that and we are interested in order to find the value of n, if we solve n from equation (a) we got:
(b)
We assume that a prior estimation for p would be since we don't have any other info provided. And replacing into equation (b) the values from part a we got:
And rounded up we have that n=421