The Lengths of Screws Produced by a Machine Are Normally

question 173

Multiple Choice

The lengths of screws produced by a machine are normally distributed, with a mean of 3 cm and a standard deviation of 0.2 cm. What can we conclude from this?

• A) Approximately 68% of all screws have lengths between 2.8 and 3.2 cm.
• B) Approximately 95% of all screws have lengths between 2.8 and 3.2 cm.
• C) Just about all screws have lengths between 2.8 and 3.2 cm.
• D) Just about all screws have lengths between 2.9 and 3.1 cm.

Understand the mechanisms driving global wind patterns and their effects on climates and biomes.

Comprehend the cycle of water and its impact on different ecosystems.

Recognize the importance of unique ecological regions, such as estuaries and coral reefs, and their biodiversity.

Understand the factors that influence the distribution and characteristics of biomes.

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