Question: Answer this please! 1. A school supplies shop found out that 48 percent of their customers bought a calculator, 12 percent of their customers bought

Answer this please!

1. A school supplies shop found out that 48 percent of their customers bought a calculator, 12 percent of their customers bought two, 24 percent bought three, and 16 percent bought four. What is the average number of calculators bought in the shop? 2. Given the probability distribution below regarding the number of laptops being brought in the computer shop per day, determine its expected value, variance, and standard deviation. Number of Laptops (X) 1 2 3 Probability P(X) 0.50 0.40 0.0.10

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