if a flashlight has 6 batteries, 2 are defective. 2 selected at random, determine the probability both r defec

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if a flashlight has 6 batteries, 2 are defective. 2 selected at random, determine the probability both r defec

2007-04-25 05:54:30 · 2 answers · asked by cynthia m 1 in Science & Mathematics ➔ Mathematics

2 answers

(2/6)*(1/5)=2/30=1/15

2007-04-25 05:58:56 · answer #1 · answered by bruinfan 7 · 3⤊ 0⤋

1/6.
considering 2 of 6 batteries are defective, then the chance of getting the defective battery is 1/3, since the situation refers of getting a pair of defective batteries, then the probability is reduced by multiplying it to half.

2007-04-25 06:03:24 · answer #2 · answered by jonesdollesin 1 · 0⤊ 2⤋