The Gestation Period of Humans Follows an Approximately Normal Distribution

question 8

Multiple Choice

The gestation period of humans follows an approximately normal distribution with a mean of 266 days and a standard deviation of 16 days.Find the probability that a gestation period is between 260 and 276 days.Round to four decimal places.

• A)0.1901
• B)0.3802
• C)0.2851
• D)0.0950

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Definitions:

Muscle Contraction

The activation of tension-generating sites within muscle fibers, essential for body movement and posture support.

Constant Force

A steady force applied over a period of time in physics or engineering, often in contrast to varying forces.

Free Weights

Exercise equipment like dumbbells or barbells that are not attached to other devices, offering a wide range of motion for strength training.

Labile Surface

An unstable or changeable surface used in training and rehabilitation to improve balance and muscle strength.