Answer:
the answe is 3.3
Step-by-step explanation:
27-R=M because 27 - the amount you read equals how much you have left
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.
The correct answer is B because its tricky the number it starts on is 8 so the minimum is 8 the one itt ends on is 38 so the maximum would be 38 and the median would be 30 cause thats where the arrow points hope this helps! ;D
Answer:
its rational because the square root of 0.25 is equal to 5/10 which is then equal to 1/5
Step-by-step explanation: