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  3. 1. a box contains four red, five blue, and eleven

1. A box contains four red, five blue, and eleven green lenses. One lens is randomly...

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Statistics

1. A box contains four red, five blue, and eleven green lenses.One lens is randomly selected from the box. is the probability thatthe selected lens is blue.

2. A box contains nine red, five yellow, and six green lenses.One lens is randomly selected from the box. Find the probabilitythat the selected lens is yellow or green.

3. An unprepared student makes random guesses for the threetrue-false questions on a quiz. Find the probability that there isat least one correct answer.

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Answer & Explanation Solved by verified expert
4.1 Ratings (559 Votes)
Sol1Given There are 4 Red 5 Blue and 11 Green lenses in a boxThere are a total of 20 lenses inthe boxOne lens is picked at randomTherefore the probability that the selected lens is blue Totalno    See Answer
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