It is 2 and 3/5 your welcome :)
Answer:
-75
Step-by-step explanation:
Answer:
We need a sample size of least 119
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 zscore that has a pvalue of
.
The margin of error is:

95% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
Sample size needed
At least n, in which n is found when 
We don't know the proportion, so we use
, which is when we would need the largest sample size.






Rounding up
We need a sample size of least 119
Answer:
Its D thats the answer
Step-by-step explanation:
Answer: 2x + 3y = -6 is standars form
Step-by-step explanation: Standard form is when the quation is written as Ax + By = C