Let "X=" weight of a packet in kg: "X\\sim N(\\mu, \\sigma_X^2)"
Then
Given that "\\mu=5\\ kg, \\sigma=0.2\\ kg, n=1000."
"P(X>5.1)=1-P(X\\leq5.1)="
"=1-P(Z\\leq{5.1-5 \\over 0.2\/\\sqrt{1000}})\\approx1-P(Z\\leq15.811)\\approx0"
Then
"2000(1000)(1)=2000000"
The customer would be expected to pay "2,000,000" Ksh to the company.
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