Cell Phone & Smartphone Ownership. According to a 2017 Pew Research Center survey report, emerging and developing countries adopt modern communication technology very quickly (https://www.pewresearch.org/

global/2018/10/09/). Responses to the survey from South Africa are given in the following table:

Ownership Response Percentage of Respondents Owns Smartphone 51 Owns Cell phone 91 Does not Own Cell Phone 9 Total 241

a) If we select a random person from this sample of South African adults, what is the probability that they own a smartphone?

b) What is the probability of them owning a cell phone that is not a smartphone?

c) Are there more smartphones or regular cell phones in South Africa?