Answer:
1 is the answer to 1/2+1/2
Answer:
They can either decrease the confidence level or increase the sample size, that is, survey more students.
Step-by-step explanation:
The width of a confidence interval is given by:

In which z is the critical value correponding to the confidence level(higher confidence level, higher z is),
is the standard deviation of the population and n is the size of the sample.
The students realize that this interval contains a large margin of error. What can they do to make a narrower interval?
Looking at the formula for M, they can either decrease the confidence level or increase the sample size, that is, survey more students.
Answer:
-40/33
Step-by-step explanation:
Answer: X=40
Step-by-step explanation:
Answer:
Step-by-step explanation:
g(x) = |x+4| +6 ( to go 4 to the left and 6 up)