Answer: -8x + 12
Step-by-step explanation:
12 will be y-intercept because it crosses the y-axis.
-8 will be slope because it is the rate of change.
Answer:
8 concerts
Step-by-step explanation:
$200,000 divided by $25,000 is 8
Answer: 
Step-by-step explanation:
Let
be the sample proportion.
As per given , we have
n= 411

Standard error : se=0.016
Critical value for 99% confidence : 
Confidence interval for population proportion :-

Hence, the 99% confidence interval for the proportion of all US adults ages 55 to 64 to use online dating : 