The Amount of Cereal That a Manufacturer Puts in Its

question 126

Multiple Choice

The amount of cereal that a manufacturer puts in its boxes of cereal is a random variable with a mean of 1020 g and a standard deviation of 10 g.The amount of cereal that Tyler eats for breakfast is a random variable with a mean of 65 g and a standard deviation of 6 g.The amount of cereal that Tyler's wife,Suzanne,eats for breakfast is a random variable with a mean of 53 g and a standard deviation of 2 g.If Tyler and Suzanne open a new packet of cereal one Monday morning,find the mean and standard deviation of the amount of cereal remaining in the packet after one breakfast.Assume that the amount that Tyler eats is independent of the amount Suzanne eats.

• A)μ = 1138 g,σ = 11.83 g
• B)μ = 902 g,σ = 11.83 g
• C)μ = 1138 g,σ = 2 g
• D)μ = 902 g,σ = 7.75 g
• E)μ = 902 g,σ = 18 g

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