Latest TCS Aptitude Question SOLUTION: Amo ng a group of 2500 peo ple, 35 perc ent invest in municipal bo nds, 18 perc ent invest in oil stocks, and 7 perc ent invest in bot h municipal bonds and oil stock s. If 1 pe

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(#M40011227) TCS question Keep an EYE

Amo ng a group of 2500 peo ple, 35 perc ent invest in municipal bo nds, 18 perc ent invest in
oil stocks, and 7 perc ent invest in bot h municipal bonds and oil stock s. If 1 perso n is to be
rando mly selected fro m 2500 people, what is the probability t hat the perso n selected w ill
be o ne who invests in municipal bonds but not in oil stocks?
(a) 0.28 (b) 0.3 (c) 2.8 (d) 0.025

Asked In TCS (11 years ago)

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Tanya  (11 years ago)

35 perc ent invest in municipal bo nds, 18 perc ent invest in
oil stocks, and 7 percent invest in both municipal bonds and oil stocks.

so 35-7=28% invest in municipal bonds only.
so the probability t hat the person selected will
be o ne who invests in municipal bonds but not in oil stocks = 0.28

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komal J  (11 years ago)

how d probability s oly one??

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