Sue Buys a Large Packet of Rice

question 102

Multiple Choice

Sue buys a large packet of rice.The amount of rice that the manufacturer puts in the packet is a random variable with a mean of 1022 g and a standard deviation of 11 g.The amount of rice that Sue uses in a week has a mean of 240 g and a standard deviation of 26 g.Find the mean and standard deviation of the amount of rice remaining in the packet after a week.

• A)μ = 1262 g,σ = 37 g
• B)μ = 782 g,σ = 23.56 g
• C)μ = 782 g,σ = 28.23 g
• D)μ = 782 g,σ = 15 g
• E)μ = 1262 g,σ = 28.23 g

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