Answer:
goo goo ga ga 7*4-6(90)÷78
Answer:bvvve26
Step-by-step explanation:
Answer:
1:350 i think
Step-by-step explanation:
i could be wrong
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: