Answer:
(1.5,1)
Step-by-step explanation:
The midpoint of G and H is at (2,2).
The midpoint if J and K is (1,0)
The midpoint of the two midpoints is (1.5,1)
You could also i.e. directly ask for the midpoint of H an K, OR, G and J, and you would get the same final result.
Answer:
360 minutes
Step-by-step explanation:
(1.5 h/wk)·(4 wk)·(60 min/h) = 1.5·4·60 min = 360 min
Multiply reading time per week by the number of weeks to get reading time. Multiply the number of hours by the number of minutes in an hour to get minutes.
Answer:

Step-by-step explanation:
So we have the equation:

Subtract 4 from both sides:

Divide both sides by -12:

Simplify and reduce:

Answer:
15 is 1/4 of 60, and 1/4 is 25%. So, 15 is 25% of 60.
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 : 