In a Manufacturing Process a Machine Produces Bolts

question 113

Multiple Choice

In a manufacturing process a machine produces bolts. The lengths of the bolts follow a normal distribution with an average of 3 cm and a variance of 0.03 cm2. If we randomly select three bolts from this process:
-What is the standard deviation of the sample mean?

• A)03
• B)01
• C)1732
• D)0577
• E)10

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Definitions:

Short-Term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period.

Context-Dependent Memory

The principle that recall of information is easier when in the same context or environment where the memory was originally formed.

Serial-Order Effect

The impact of an item's position in a sequence on its recall, usually seen in memory tasks like remembering lists.

Depth of Processing

This refers to the concept in cognitive psychology that the level at which information is thought about or engaged with affects how well it is remembered. Deeper, more meaningful processing leads to better retention.