Chocolate Bars Produced by a Certain Machine Are Labeled 8

question 64

Multiple Choice

Chocolate bars produced by a certain machine are labeled 8.0 ounces.The distribution of the actual weights of these chocolate bars is claimed to be Normal with a mean of 8.1 ounces and a standard deviation of 0.1 ounces.If the quality control manager takes a simple random sample of 10 chocolate bars from the production line,what is the probability that the sample mean weight of the 10 sampled chocolate bars will be less than 8.0 ounces?

• A)0
• B)0.00078
• C)0.0316
• D)0.1587

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Definitions:

Revenue Account

An account that tracks the income generated from a company's primary operations.

Asset Account

An account on a balance sheet representing the resources owned by a company, with future economic benefit.

Unearned Revenue

Revenue received by a company for goods or services that are yet to be delivered or performed.

Cash

The most liquid form of assets, representing currency or assets that can be immediately turned into currency.