2 A vaccination against flu is 95% effective,
while those people not vaccinated have a 40%
cha...
Mathematics, 22.03.2021 15:40 shealene7
2 A vaccination against flu is 95% effective,
while those people not vaccinated have a 40%
chance of catching flu. If a person is selected
at random from a group of whom 20% have
been vaccinated, find the probability that he
catches the flu.
​
Answers: 3
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