Given That the Random Variable X Is Normally Distributed with a Mean

question 42

Multiple Choice

Given that the random variable X is normally distributed with a mean of 80 and a standard deviation of 10,P(85 11ea936b_b5ad_521a_b28d_990181381f2c_TB13 6_11X $\leq$ 90) is

• A) 0.5328
• B) 0.3413
• C) 0.1915
• D) 0.1498

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Definitions:

Gomphoses

A type of fibrous joint that is a peg-in-socket, such as the joint between a tooth and its socket in the jaw.

Hip And Shoulder

Joints that connect the limbs to the torso; the hip being the articulation between the pelvis and the femur, and the shoulder connecting the upper arm to the torso.

Gliding Motion

A smooth movement where surfaces slide past one another, typical in some types of joints like the carpals of the wrist.

Plane Joint

A type of synovial joint which allows only sliding or gliding movements where the articular surfaces are flat.