Suppose a Population Has a Mean of 870 and a Variance

question 27

Multiple Choice

Suppose a population has a mean of 870 and a variance of 8,100.If a random sample of size 36 is drawn from the population, the probability that the sample mean is between 840 and 900 is closest to _______.

• A)0.9544
• B)0.6826
• C)0.8185
• D)0.5899
• E)0.0897

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Definitions:

Myofilaments

The filamentous components of muscles, comprising mainly of actin (thin filaments) and myosin (thick filaments), essential for muscle contraction.

Sarcoplasmic Reticulum

A specialized type of smooth endoplasmic reticulum found in muscle fibers, critical in regulating calcium ions and thus muscle contraction.

T-tubules

Tubular extensions of the cell membrane in muscle cells, transmitting electrical signals from the surface to the interior of the muscle fiber.

Femoris

Refers to muscles located in the thigh, typically pertaining to parts of the quadriceps, such as the quadratus femoris or biceps femoris.