The confidence interval would be (0.122, 0.278).
We first find our z-score. We want a 95% confidence interval:
0.95/2 = 0.475
Looking this up in the z-table, (http://www.statisticshowto.com/tables/z-table/) we see the z-score is 1.96.
The formula we will use is:
In this problem, p = 20/100 = 0.2, and n=100:
Answer:
aarons stoopid
Step-by-step explanation:
sorry im doing it for the points
Hey there! :D
-2(k-2)≥-20
Distribute the -2. Multiply -2 by k and -2.
-2k+4≥-20
Subtract 4 on both sides.
-2k≥-24
Divide by -2 and flip the sign, since you are dividing by a negative.
k≤12
I hope this helps!
~kaikers
Answer:800
Step-by-step explanation:240*10=2,400 and 2,400/3= 800