The Smiling Times (In Seconds) of an 8-Week-Old Baby Can

question 36

Multiple Choice

The smiling times (in seconds) of an 8-week-old baby can be modeled with a uniform distribution with a = 0 and b = 23 seconds.What is the probability that a randomly chosen 8-week-old baby smiles between 2 and 18 seconds?

• A) 0.7826
• B) 0.6956
• C) 0.8696
• D) 0.0870

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Definitions:

T-Bar-Type Floor

A type of flooring that incorporates T-bar structural elements, often used in construction for added stability or for the support of other building components.

Semi-Trailer

A type of trailer used in freight transport that does not have a front axle and is supported at its forward end by a road tractor or by a detachable front axle assembly known as a dolly.

Vehicle Combinations

A reference to the coupling of multiple vehicles, such as a tractor and one or more trailers, in the transportation industry.

Lead Trailer

The trailer coupled to the tractor in a double or multiple trailer combination. Usually used in reference to an A-, B-, C-, or D-train combination.