Find the Value of a Normal Random Variable

question 40

Multiple Choice

Find the Value of a Normal Random Variable
-A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 60 seconds. Between what times do we expect most (approximately 95%) of the boys to run the mile

• A) between 322.4 and 557.6 sec
• B) between 341.3 and 538.736 sec
• C) between 345 and 535 sec
• D) between 0 and 538.736 sec

Comprehend the relationship between genetics and intelligence.

Recognize the importance of memory processes like encoding and rehearsal in learning.

Understand the development and significance of moral reasoning in children.

Appreciate the role of educational strategies and classroom settings in cognitive development.

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Definitions:

Sieve Tube Elements

Specialized cells in the phloem of vascular plants that facilitate the transport of sugars and nutrients.

Parenchyma

A type of plant tissue made of living cells, usually with thin cell walls and large intercellular spaces, involved in functions such as photosynthesis, storage, and secretion.

Vessel Elements

Components in the xylem of plants that transport water and nutrients vertically.

Cuticle

The protective layer found on the outer surface of leaves, stems, and other organs of plants.