Solve the Problem. -A Final Exam in Math 160 Has a Mean of a Mean

question 89

Multiple Choice

Solve the problem.
-A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 71.

• A) 0.8962
• B) 0.5036
• C) 0.9012
• D) 0.0008

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Definitions:

Just-In-Time (JIT)

A production strategy that strives to improve a business's return on investment by reducing in-process inventory and associated carrying costs, delivering materials just when they are needed.

Customer Wants

Specific desires or requirements of consumers that businesses aim to meet with their products or services in order to satisfy and retain their clientele.

JIT Environments

Settings or conditions where Just-In-Time inventory management and production practices are implemented to minimize inventory costs and waste.