Sue Buys a Large Packet of Rice

question 74

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 1016 g and a standard deviation of 8 g.The amount of rice that Sue uses in a week has a mean of 200 g and a standard deviation of 29 g.If the weight of the rice remaining in the packet after a week can be described by a Normal model,what is the probability that the packet still contains more than 831.0 g after a week?

• A)0.655
• B)0.274
• C)0.691
• D)0.309
• E)0.345

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Definitions:

Average Product

Average Product is the output per unit of input, calculated by dividing total product by the quantity of the input.

Marginal Product

The additional output that is produced by adding one more unit of a specific input, while holding other inputs constant.

Average Product

In economics, the output produced per unit of input, used to measure productivity efficiency.

Marginal Product

The increase in output that results from a one-unit increase in the input, holding all other inputs constant.