Answer:
8
Step-by-step explanation:
A is your answer! Because of how many sides it has.
Answer:
Step-by-step explanation:
The total number of tickets is the sum of the number of adult tickets and the number of kid tickets.
Total tickets, 2 adult tickets and 16 kids tickets: 2 +16 = 18
Total tickets, a adult tickets and k kids tickets: a +k
_____
<em>Additional comment</em>
The total <em>price</em> is a different matter:
$12(2) +$7(16) = $136 . . . for 2 adult and 16 kids
12a +7k . . . for 'a' adults and 'k' kids
Yes so this is just waffle and it is hard hope this helps
Answer:
a) 752 medical files should be included.
b) 372 medical files should be included.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of 
, and a confidence level of 
, we have the following confidence interval of proportions.
In which
z is the z-score that has a p-value of 
.
The margin of error is of:
90% confidence level
So 
, z is the value of Z that has a p-value of 
, so 
.
Question a:
This is n for which M = 0.03. We have no estimate, so we use 
. So
Rounding up:
752 medical files should be included.
Question b:
Now we have that:
So
Rounding up:
372 medical files should be included.
