700 people surveyed about cereal in past 3 years. findings:
375 ate sugar snaps, 275 ate cheery o's, 320 ate choco puffs, 280 ate colonel dragons, 175 ate sugar snaps and cheery o's, 180 ate sugar snaps and choco puffs, 170 ate sugar snaps and colonel dragons, 120 ate cheery o's and choco puffs, 160 ate cheery o's and colonel dragons, 115 ate choco puffs and colonel dragons, 65 ate sugar snaps, cheery o's and choco puffs, 90 ate sugar snaps, cheery o's and colonel dragons, 60 ate sugar snaps, choco puffs and colonel dragons, 80 ate cheery o's, choco puffs and colonel dragons, 40 ate ALL four cereals.
A person is chosen at random. What is the probability that they ate:
A) none of the cereals?
B) Cheery o's and Choco Puffs?
C) Cheery o's and Choco Puffs but not Sugar Snaps?
D) Cheery o's and did not eat sugar snaps given that they ate Choco Puffs and Colonel dragons?
E) Colonel dragons given that they did not eat sugar snaps and Cheery o's?
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