Answer:
i) If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 1 DVD player
ii) If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 2 DVD player
iii) If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 2 DVD player
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given data
<em>Let D₁ be the event of brand 1 DVD players</em>
<em>Given P( D₁) = 50% = 0.5</em>
<em>Let D₂ be the event of brand 2 DVD players</em>
<em>Given P( D₂) = 30% = 0.3</em>
<em>Let D₃ be the event of brand 3 DVD players</em>
<em>Given P(D₃ ) = 20% = 0.2</em>
<em>Let 'R' be the event of brand 1's DVD players require warranty repair work</em>
<em>Given data</em>
<em>If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 1 DVD player</em>
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<em> </em><em> </em><em>If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 2 DVD player</em>
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<em> If a customer returns to the store with a DVD player that needs warranty repair work, what is the probability that it is a brand 3 DVD player</em>
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