As estimated by the Pew Research Center in 2016, the probability a randomly chosen American adult uses Instagram is 0.28, the probability a randomly chosen American adult uses Twitter is 0.21, and the probability a randomly chosen American adult uses Instagram given that he or she uses Twitter is 0.65. 

a. Using the Pew Research estimates, complete the following two-way table of probabilities. 

b. What is the probability a randomly chosen American adult uses Twitter given he or she uses Instagram? 

c. What is the probability a randomly chosen American adult uses both Twitter and Instagram? 

d. What is the probability a randomly chosen American adult uses neither Twitter nor Instagram?

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Instagram Total Yes No Twitter Yes No Total