9) There are 25 AAA batteries in a box and 10 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery? A) 1/2 or 0.50 B) 1/11 or 0.09 C) 1/1000 or about 0.0010 D) 3/20 or about 0.15
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There are 10 defective batteries out of 25 total batteries, so the probability is 10/25 = 0.4. Show more…
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