Let Z Be a Normal Random Variable with Mean 0

question 57

Multiple Choice

Let z be a normal random variable with mean 0 and standard deviation 1.Which of these most closely reflects P(-2.25 < z < -1.1) ?

• A)0.3643
• B)0.8643
• C)0.1235
• D)0.4878
• E)0.5000

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Definitions:

Piecewise Function

A mathematical function defined by multiple sub-functions, each applicable to a certain interval of the overall function's domain.

Cusp

On a graph, where two lines of a piecewise function meet.

Comprehensive Insurance

Insurance coverage that protects against a wide range of damages or losses, including those not caused by a collision for vehicles.

Collision Insurance

Auto insurance coverage that pays for damages to the policyholder's car resulting from a collision with another vehicle or object.