Question
What is the average number of i5 processor laptops in
all the shops together?Solution
i5 processor laptops in Computer Care = 3/7 × 1400 × 14/100 = 84
i5 processor laptops in Arora Computers = 5/14 × 1400 × 26/100 = 130
i5 processor laptops in Computer World = 5/8 × 1400 × 32/100 = 280
i5 processor laptops in HP World = 1/2 × 1400 × 28/100 = 196
Required Average = (84 + 130 + 280 + 196)/4 = 172.5
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