The Lifetime of a Squirrel Follows a Normal Distribution with Mean

question 83

Multiple Choice

The lifetime of a squirrel follows a normal distribution with mean μ months and a standard deviation $\sigma$ =7 months.To test the alternative hypothesis that μ > 40, 25 squirrels are randomly selected.The null hypothesis is rejected when the sample mean is bigger than 43.Assuming that μ=45, the probability of type II error is approximately _________.

• A)0.076
• B)0.016
• C)0.05
• D)0.011
• E)0.983

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Definitions:

Throughput Time

The total time taken for a product to be completed from start to finish, including processing, waiting, and transport times.

Turnover

A measure of how quickly assets, such as inventory or investments, are converted into sales or revenue within a given period.

Investment Opportunity

A situation where an individual or company can invest in a project or asset with the expectation of generating a favorable return.

Manufacturing Cycle Efficiency (MCE)

A metric that measures the efficiency of the manufacturing process, specifically the proportion of value-added time to total production time.