Answer:
4 because a quartile is really one fourth of the entire amount and if the entire amount is 16, the upper quartile will consist of 4 values. This was arrived at by simply finding 1/4 of 16 or by dividing 16 by 4.
Answer:
Step-by-step explanation:
First, take a look to the picture that I attached, however please note the triangle is not drawn to scale, the figure is just to provide visual aid. As you can see the value of 
this is because of the sum of the interior angles in a triangle is always equal to 180°. So:
Now, we can use the law of sines, which states:
Hence:
You should get the app "photomath" that'll help you out alot!!!
Answer:
12,690 people are expected to vote for Mr Salva
Step-by-step explanation:
Here, we want to know the number of people that is expected to vote for a particular candidate in an election given that 54% of people surveyed had said they would vote for the candidate.
Now to calculate the number of people expected to vote for Mr Salva, what we need to do is to find the number out of 23,000 that actually represents a percentage of 54%
To do this, we find 54% of 23,500
mathematically, we have;
54/100 * 23,500
= 12,690
