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junior college 2 | H2 Maths
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Please help with part ii, thank you!
Date Posted: 7 months ago
Views: 151
If he always bought 11 copies means the probability of selling 10 magazines is 0.15 and selling 11 is 0.85.
Hence mean monthly profit is 0.15 × 10 × 0.50 + 0.85 × 11 × 0.50 = 5.425 dollars.
Hence mean monthly profit is 0.15 × 10 × 0.50 + 0.85 × 11 × 0.50 = 5.425 dollars.
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