Answer:
89%
Step-by-step explanation:
the real answer is 64 fluid ounces
64/72*100 which is 88.89% or 89%
Hope this helps plz hit the crown :D
3.15. Just find the unit rate which is 1.5 and multiply that by 3
Answer:



Step-by-step explanation:
we know that
The sum of interior angles in a triangle must be equal to 180 degrees
so

solve for x





Answer:
He must survey 123 adults.
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:

Assume that a recent survey suggests that about 87% of adults have heard of the brand.
This means that 
90% confidence level
So
, z is the value of Z that has a p-value of
, so
.
How many adults must he survey in order to be 90% confident that his estimate is within five percentage points of the true population percentage?
This is n for which M = 0.05. So






Rounding up:
He must survey 123 adults.
Answer:
a
Step-by-step explanation: