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A number x is chosen at random from the set {1,2,3,4,. . . . ,100} . Define the events A = the chosen number x satisfies `((x - 10) (x - 50))/((x - 30)) ge 0` . Then P(A) is

A

`0 . 71`

B

`0 . 70`

C

`0 . 51`

D

`0 . 20`

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