Suppose that the handedness of the last 15 u. s. presidents is as follows:
(i) 40% were...
Mathematics, 21.12.2019 00:31 wannamakerdaandre
Suppose that the handedness of the last 15 u. s. presidents is as follows:
(i) 40% were left-handed (l)
(ii) 47% were democrats (d)
(iii) if a president is left-handed, there is a 13% chance that the president is a democrat.
what is the probability that a randomly chosen u. s. president is left-handed and a democrat?
a: 0.40 * 0.47 = 0.1880
b: 0.40 * 0.13 = 0.0520
c: 0.47 * 0.13 = 0.0611
d: 0.40/0.47 = 0.8510
e: 0.40/0.13 = 3.0769
f: 0.47/0.13 = 3.6154
Answers: 3
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