A Survey of 7,000 Heads of Household Asked the Following

A survey of 7,000 heads of household asked the following questions: Check the box if the answer is "yes".
My household has an Internet connection.
Someone in my household has a cell phone.
If 2,650 of the households checked the first box, what percentage of the respondents have an Internet connection?
If 1,950 of the households checked the second box, what percentage of the respondents have a cell phone in the household?
If 200 checked both boxes, what percentage of the households have both an Internet connection and a cell phone?
What percentage of the households have an Internet connection or a cell phone?

A) 37.9% have an internet connection 27.9% have a cell phone
97.1% have a cell phone and an internet connection
37.1% have a cell phone or an internet connection
B) 27.9% have an internet connection 37.9% have a cell phone
2.9% have a cell phone and an internet connection
62.9% have a cell phone or an internet connection
C) 37.9% have an internet connection 27.9% have a cell phone
2.9% have a cell phone and an internet connection
68.6% have a cell phone or an internet connection
D) 37.9% have an internet connection 27.9% have a cell phone
2.9% have a cell phone and an internet connection
62.9% have a cell phone or an internet connection
E) 62.1% have an internet connection 72.1% have a cell phone
97.1% have a cell phone and an internet connection
37.1% have a cell phone or an internet connection