<h2>
Answer with explanation:</h2>
Let
denotes the sample proportion.
As per given , we have
n= 200

Critical value for 99% confidence : 
Confidence interval for population proportion :-

Hence, a 99% confidence interval for the proportion of all individuals that use Firefox: 
The lower limit on the 99% confidence interval = 0.085
Answer:
y=-1x-6
Step-by-step explanation:
y-y1=m(x-x1)
y-(-5)=-1(x-(-1)
y+5=-1(x+1)
y+5=-1x-1
y=-1x-5-1
y=-1x-6
Answer:

Step-by-step explanation:
The given expresion is

We want to evaluate this expression when x=3i
We substitute to obtain:

We simplify to get

Recall that

This implies that:



answer: 8
i added all the numbers and divided them by how much numbers there are