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Mathematics, 11.01.2020 04:31 emilylunaa
Dogs are inbred for such desirable characteristics as color; but an unfortunate by-product of such inbreeding can be the emergence of characteristics such as deafness. a 1992 study of bull terriers (by strain and others, as reported in the veterinary journal) found the following:
(i)
50% of the studied bull terriers are white.
(ii)
11% of the studied bull terriers are deaf.
(iii)
20%
of the white bull terriers are deaf.
what is the probability that a randomly chosen bull terrier is white and deaf?
.11 / .50 = .22
.20 / .50 = .4
.11 / .20 = .55
.50 * .11 = .055
.50 * .20 = .1
.11 * .20 = .022
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