Y=6.21
You just subtract 1.05 from each side and then you get your answer
Not. They are not similar they are regular I think so
Answer:
52°
Step-by-step explanation:
y= 180°-67°= 113°
x=180°-15°-113°=52°
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 : 