A poll of 200 senior citizens asked about the types of
electronic communication they used.
Find the joint and marginal frequencies.
(Round to the nearest hundredth)
Uses Text Messaging
Yes
No
34 1 132
22
12
Uses Yes
Email No
Uses Tout Me
Uses Text Messaging
Yes
No
Total
11216
Us Yes12
Total
23
Choice D
Choice B
O
Choice C
Choice A
O